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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

South Texas Ice Storm - February 3th & 4th, 2011

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Summary

South Texas experienced frigid temperatures and prolonged hard freezes between Tuesday morning February 1st and Saturday morning February 5th, 2011. A large dome of arctic air plunged southward across South Texas on Tuesday morning February 1st behind a strong cold front. Temperatures plummetted from the 60s and 70s early Tuesday morning into the upper 20s to lowers 30s by Tuesday evening. Arctic high pressure continued to push further south across South Texas between Wednesday February 2nd and Friday February 4th. As a result, widespread record low temperatures occurred between Feb 2 and Feb 5. Most areas averaged between the middle 20s to middle 30s during this entire period. The duration of freezing temperatures for this event was quite remarkable. Although this cold spell was impressive, it ranks well below the cold spells of 1899, 1951, 1983 and 1989. Specifically, the 3-day period ending on February 4th ranks as the 24th coldest for Corpus Christi and the 36th coldest for Victoria. The 3-day period ending on February 3rd was the 26th coldest for the Laredo area.

These very cold temperatures set the stage for one of the more significant ice storms to affect South Texas in recent history. A strong upper level disturbance approached South Texas on Thursday February 3rd. This disturbance along with increasing Gulf moisture above the cold arctic air helped to produce freezing drizzle by early Thursday evening. Since the air at the surface was below freezing, the drizzle instantly froze upon contact. Trees, roads, grassy surfaces, vehicles and rooftops quickly became ice-covered. Freezing drizzle and light freezing rain then continued through all of Thursday night before ending Friday morning. A brief mix of sleet and snow did occur at times during this event across the Brush Country and northern Coastal Bend. However, little to no sleet or snow accumulation was observed during this event. Ice accumulations on the other hand were significant across much of South Texas. Generally 1/4" to 3/8" of ice accumulations occurred across the Coastal Bend and eastern Bursh Country with up to 1/10" ice accumulation across the remainder of South Texas. This amount of ice produced very dangerous driving conditions. As a result, state and local officials closed many of the main roads, highways and bridges across South Texas. Numerous accidents along with multiple injuries were reported. The ice gradually melted during the late morning and afternoon hours on Friday as the temperatures warmed above freezing and as sunshine returned. However, falling ice from bridges and high-tension wires still posed a continuing threat throughout the day on Friday.

Total Ice Accumulation

Total Ice Accumulations

Photos

Ice Storm Pictures
South Texas Ice Storm Photos

Radar Loop

Radar Loop
KCRP Radar Reflectivity beginning at 402 PM CST 2/3/11 and ending at 758 AM CST 2/4/11.

Ice Storm Reports


PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
858 AM CST FRI FEB 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1223 PM     SLEET            TELFERNER               28.83N 96.83W
02/03/2011  E0.00 INCH       VICTORIA           TX   NEWSPAPER

            VICTORIA ADVOCATE EMPLOYEE REPORTED SLEET FALLING IN
            TELFERNER.

1224 PM     SLEET            INEZ                    28.88N 96.78W
02/03/2011  E0.00 INCH       VICTORIA           TX   NEWSPAPER

            NEWSPAPER EMPLOYEE REPORTED LIGHT SLEET FALLING IN INEZ.

0513 PM     FREEZING RAIN    CORPUS CHRISTI          27.71N 97.29W
02/03/2011  E0.00 INCH       NUECES             TX   NWS EMPLOYEE

            LIGHT FREEZING DRIZZLE NOW FALLING AT NWS OFFICE LOCATED
            NEXT TO CORPUS CHRISTI INTERNATIONAL AIRPORT.

0544 PM     SNOW             LAREDO                  27.53N 99.49W
02/03/2011  E0.0 INCH        WEBB               TX   PUBLIC

            5 REPORTS OF LIGHT SNOW IN LAREDO AND NUEVO LAREDO MEXICO
            VIA TWITTER.

0623 PM     FREEZING RAIN    BISHOP                  27.58N 97.80W
02/03/2011  E0.00 INCH       NUECES             TX   EMERGENCY MNGR

            FREEZING DRIZZLE REPORTED IN BISHOP

0627 PM     FREEZING RAIN    PORT ARANSAS            27.83N 97.08W
02/03/2011  E0.00 INCH       NUECES             TX   TRAINED SPOTTER

            FREEZING DRIZZLE/SLEET REPORTED DURING ENTIRE TRIP
            SPOTTER MADE FROM NEAR THE FERRY AT PORT ARANSAS TO
            CORPUS CHRISTI.

0640 PM     FREEZING RAIN    KINGSVILLE              27.51N 97.86W
02/03/2011  E0.00 INCH       KLEBERG            TX   CO-OP OBSERVER

            LIGHT FREEZING DRIZZLE REPORTED 2 MILE WEST OF KINGSVILLE
            NAS. VEHICLES HAVE LIGHT ICE ON THEM.

0719 PM     SNOW             THREE RIVERS            28.47N 98.18W
02/03/2011  E0.0 INCH        LIVE OAK           TX   LAW ENFORCEMENT

            LIGHT SNOW FALLING IN THREE RIVERS

0719 PM     FREEZING RAIN    GEORGE WEST             28.33N 98.12W
02/03/2011  E0.00 INCH       LIVE OAK           TX   LAW ENFORCEMENT

            FREEZING DRIZZLE REPORTED IN AND AROUND GEORGE WEST

0720 PM     FREEZING RAIN    BEEVILLE                28.41N 97.75W
02/03/2011  E0.00 INCH       BEE                TX   LAW ENFORCEMENT

            SHERIFF OFFICE REPORTS FREEZING DRIZZLE IN BEEVILLE AND
            REPORTS FROM THROUGHOUT THE COUNTY.

0722 PM     FREEZING RAIN    GOLIAD                  28.67N 97.39W
02/03/2011  E0.00 INCH       GOLIAD             TX   LAW ENFORCEMENT

            FREEZING DRIZZLE REPORTED IN GOLIAD.

0723 PM     SNOW             SAN DIEGO               27.76N 98.24W
02/03/2011  E0.0 INCH        DUVAL              TX   LAW ENFORCEMENT

            SNOW MIXING WITH FREEZING DRIZZLE IN SAN DIEGO. BRIDGES
            BEGINNING TO BECOME SLICK.

0724 PM     SLEET            COTULLA                 28.44N 99.24W
02/03/2011  E0.00 INCH       LA SALLE           TX   LAW ENFORCEMENT

            SLEET FALLING IN COTULLA WITH NUMEROUS TRAFFIC ACCIDENTS
            REPORTED.

0726 PM     FREEZING RAIN    ALICE                   27.76N 98.07W
02/03/2011  E0.00 INCH       JIM WELLS          TX   LAW ENFORCEMENT

            LIGHT FREEZING DRIZZLE REPORTED IN ALICE.

0736 PM     FREEZING RAIN    KINGSVILLE              27.51N 97.86W
02/03/2011  E0.00 INCH       KLEBERG            TX   EMERGENCY MNGR

            FREEZING DRIZZLE HAS CREATED NUMEROUS TRAFFIC ACCIDENTS
            ALONG US 77 NEAR KINGSVILLE.

0736 PM     FREEZING RAIN    BISHOP                  27.58N 97.80W
02/03/2011  E0.00 INCH       NUECES             TX   EMERGENCY MNGR

            NUMEROUS ACCIDENTS REPORTED NEAR THE BRIDGE AT FM60 AND
            COUNTY ROAD 67.

0742 PM     ICE STORM        CORPUS CHRISTI          27.71N 97.29W
02/03/2011                   NUECES             TX   NWS EMPLOYEE

            NUMEROUS CARS IN DITCH REPORTED ALONG US44 NEAR CORPUS
            CHRISTI AIRPORT.

0742 PM     ICE STORM        PREMONT                 27.36N 98.12W
02/03/2011                   JIM WELLS          TX   DEPT OF HIGHWAYS

            TXDOT REPORTS 281 IS GLAZED FROM PREMONT TO JUST NORTH OF
            ALICE.

0753 PM     ICE STORM        LAREDO                  27.53N 99.49W
02/03/2011                   WEBB               TX   OTHER FEDERAL

            LAREDO PD CLOSING INTERSTATE 35 FROM MILE MARKER 6 INTO
            TOWN. MULT ACCIDENTS WITH ICY BRIDGES DUE TO SLEET AND
            FREEZING DRIZZLE.

0838 PM     FREEZING RAIN    VICTORIA                28.82N 96.98W
02/03/2011  E0.00 INCH       VICTORIA           TX   ASOS

            ASOS IS NOW REPORTING LIGHT FREEZING RAIN IN VICTORIA.

0845 PM     ICE STORM        GOLIAD                  28.67N 97.39W
02/03/2011                   GOLIAD             TX   FIRE DEPT/RESCUE

            ICE ON ROADWAYS AND BRIDGE. EMERGENCY RESPONDERS WORKING
            MULTI VEHICLE MVA AT SA BRIDGE ON HWY 59 W.

0904 PM     ICE STORM        VICTORIA                28.82N 96.98W
02/03/2011                   VICTORIA           TX   LAW ENFORCEMENT

            BRIDGES ICING UP IN VICTORIA.

0904 PM     FREEZING RAIN    PORT LAVACA             28.61N 96.62W
02/03/2011  E0.00 INCH       CALHOUN            TX   LAW ENFORCEMENT

            FREEZING DRIZZLE NOW REPORTED IN PORT LAVACA. ROADS AND
            BRIDGES LIKELY TO ICE UP SOON.

0911 PM     FREEZING RAIN    E VICTORIA              28.82N 96.98W
02/03/2011  E0.00 INCH       VICTORIA           TX   BROADCAST MEDIA

            LIGHT FREEZING DRIZZLE REPORTED IN EAST VICTORIA.
            SURFACES ARE BECOMING COATED.

0914 PM     ICE STORM        LAREDO                  27.53N 99.49W
02/03/2011                   WEBB               TX   BROADCAST MEDIA

            ALL BRIDGES ARE ICY IN LAREDO. I-35 CLOSED DOWNTOWN TO 13
            MILE MARKER. LAREDO IS PRIMARILY EXPERIENCING FREEZING
            DRIZZLE RATHER THAN SNOW THAT OBSERVATION EQUIPMENT IS
            REPORTING. LIGHT SNOW BRIEFLY FELL AROUND 6PM.

0924 PM     ICE STORM        BISHOP                  27.58N 97.80W
02/03/2011                   NUECES             TX   EMERGENCY MNGR

            ALL BRIDGES IN AND AROUND BISHOP ARE ICED. TXDOT STARTING
            TO SAND BRIDGES.

1007 PM     ICE STORM        COTULLA                 28.44N 99.24W
02/03/2011                   LA SALLE           TX   DEPT OF HIGHWAYS

            I-35 CLOSED FROM LAREDO THROUGH ALL OF LA SALLE COUNTY
            DUE TO ICE ON ROADS.

1014 PM     FREEZING RAIN    CORPUS CHRISTI          27.71N 97.29W
02/03/2011  M0.06 INCH       NUECES             TX   OFFICIAL NWS OBS

            1/16 INCH OF ICE MEASURED AT NWS OFFICE.

1030 PM     ICE STORM        2 E GEORGE WEST         28.33N 98.08W
02/03/2011                   LIVE OAK           TX   BROADCAST MEDIA

            *** 1 FATAL, 1 INJ *** PICKUP TRUCK HIT PATCH OF ICE NEAR
            BRIDGE AND ROLLED OVER.29 YR OLD MALE KILLED WITH ONE
            OTHER OCCUPANT INJURED.

1148 PM     ICE STORM        CORPUS CHRISTI          27.71N 97.29W
02/03/2011                   NUECES             TX   FIRE DEPT/RESCUE

            *** 1 INJ *** CORPUS CHRISTI FIRE DEPT RESPONDED TO 75
            INCIDENTS IN A 3 HR PERIOD. NORMAL 24 HR PERIOD IS 100
            INCIDENTS. ACCESS TO HOSPITAL FOR PADRE ISL IS ONLY
            THROUGH ARANSAS PASS. ACCESS TO FLOUR BLUFF CUT OFF FROM
            BOTH DIRECTIONS. SAND CREWS ATTEMPING TO OPEN THE MUD
            BRIDGE. MULT INJURIES TONIGHT INCLUDING 10 YR OLD GIRL IN
            CRITICAL CONDITION DUE TO WX RELATED MVA.

1156 PM     FREEZING RAIN    CORPUS CHRISTI          27.71N 97.29W
02/03/2011  M0.10 INCH       NUECES             TX   OFFICIAL NWS OBS

            1/10 OF AN INCH OF ICE MEASURED AT NWS OFFICE.

1251 AM     ICE STORM        PORTLAND                27.88N 97.33W
02/04/2011                   SAN PATRICIO       TX   FIRE DEPT/RESCUE

            PORTLAND FIRE DEPARTMENT REPORTED ICE ACCUMULATION UP TO
            AN EIGHTH OF AN INCH ON BUDDY GANEM DRIVE...FM 3239.

0135 AM     SLEET            COTULLA                 28.44N 99.24W
02/04/2011  E0.00 INCH       LA SALLE           TX   LAW ENFORCEMENT

            LASALLE COUNTY DISPATCH REPORTED SLEET OCCURRING IN
            COTULLA.

0156 AM     ICE STORM        CORPUS CHRISTI          27.71N 97.29W
02/04/2011                   NUECES             TX   OFFICIAL NWS OBS

            ICE ACCUMULATION TO TWO TENTHS OF AN INCH AT NWS OFFICE
            AT CORPUS CHRISTI INTERNATIONAL AIRPORT.

0436 AM     ICE STORM        CORPUS CHRISTI          27.71N 97.29W
02/04/2011                   NUECES             TX   NWS EMPLOYEE

            ICE ACCUMULATION TO 3/8THS OF AN INCH AT NWS OFFICE AT
            CORPUS CHRISTI INTERNATIONAL AIRPORT.

0615 AM     ICE STORM        SEADRIFT                28.38N 96.69W
02/04/2011                   CALHOUN            TX   TRAINED SPOTTER

            1/4 INCH OF ICE REPORTED IN SEADRIFT...2 BLOCKS FROM SAN
            ANTONIO BAY.

0829 AM     ICE STORM        4 W FLOUR BLUFF         27.65N 97.37W
02/04/2011                   NUECES             TX   NWS EMPLOYEE

            1/4 INCH OF ICE ACCUMULATION AT NWS EMPLOYEE RESIDENCE