Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 1, 1990, 8:20 AM CST for Brazos County, Texas. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Feb 1, 1990, 8:20 AM CST (14:20 UTC)
- Expired
- Feb 1, 1990, 9:00 AM CST
- In force
- 40 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Brazos County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 12:00Z, 2.3 hours before the alert went out and 243 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -152 m²/s²
- 0-3 km storm-relative helicity
- -50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Feb 1, 3:17 AM CST, 5 hours 3 minutes before
TXZ031-011030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 310 AM CST THU FEB 1 1990 ...SHOWERS AND THUNDERSTORMS INCREASING ACROSS CENTRAL TEXAS... AT 3:00 AM CST...WACO RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING RAPIDLY IN HILL...BOSQUE...AND PORTIONS OF CORYELL AND MCLENNAN COUNTIES. THE STRONGEST STORM WERE LOCATED NORTHEAST OF CLIFTON IN BOSQUE COUNTY. WITH A MOVEMENT TOWARD THE NORTHEAST AT 40 MPH...THIS WILL BRING THE STORM ACROSS LAKE WHITNEY INTO HILL COUNTY SHORTLY. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS IN EASTERN HAMILTON COUNTY AND MOVING TOWARD SOUTHERN BOSQUE COUNTY. THESE THUNDERSTORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS WHICH EXTENDED ALONG A LINE FROM DALLAS...TO WACO... TO JOHNSON CITY...AND WESTWARD BEYOND 100 MILES. < PERSONS IN MCLENNAN AND SURROUNDING COUNTIES SHOULD EXPECT PERIODS <OF VERY HEAVY RAIN ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNI'NG WITH THESE STORMS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER WEATHER INFORMATION.
Special weather statement, Feb 1, 3:31 AM CST, 4 hours 49 minutes before
TXZ021-022-025-026-027-031-032-011000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 330 AM CST THU FEB 01 1990 ...SCATTERED SHOWERS AND THUNDERSTORMS INCREASING ACROSS NORTH TEXAS... AT 325 AM CST...SCATTERED SHOWERS AND THUNDERSTORMS...SOME PRODUCING HEAVY RAIN...CONTINUED TO DEVELOP AND SPREAD EASTWARD ACROSS THE WESTERN HALF OF NORTH TEXAS. A LINE OF STRONG THUNDERSTORMS WERE JUST SOUTH OF WICHITA FALLS AND EXTENDED FROM NEAR HENRIETTA TO BETWEEN ARCHER CITY AND JACKSBORO...TO GRAHAM AND BRECKENRIDGE. MOVEMENT OF ALL PRECIPITATION WAS GENERALLY TO THE NORTHEAST AT 40 MILES AN HOUR. THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINS ...GUSTY :SURFACE WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND PERHAPS SOME SMALL HAIL. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Feb 1, 4:06 AM CST, 4 hours 14 minutes before
TXZ021-022-025-026-011500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 355 AM CST THU FEB 01 1990 ...DENSE FOG ADVISORY REVISED TO INCLUDE ONLY A SMALL PART OF NORTH TEXAS UNTIL AROUND MID MORNING... A DENSE FOG ADVISORY IS IN EFFECT FOR THE NORTH CENTRAL PART OF NORTH TEXAS UNTIL MID MORNING. THE CITIES OF BRECKENRIDGE...EASTLAND... COMANCHE...DENTON...GAINESVILLE...SHERMAN...BONHAM...PARIS...GREENVILLE ...WEATHERFORD...WAXAHACHIE AND THE DALLAS/FORT WORTH METROPLEX ARE INCLUDED IN THE DENSE FOG ADVISORY. A SOUTHERLY WIND FLOW FROM THE GULF OF MEXICO CONTINUED TO INCREASE THE MOISTURE FIELD OVER THE ADVISORY AREA...AND WAS RAISING RELATIVE HUMIDITIES TO NEAR TOTAL SATURATION. PATCHY DENSE FOG THIS MORNING WILL RESTRICT VISIBILITIES TO LESS THAN 1/4 MILE IN MANY SECTIONS... AND AT TIMES...VISIBILITIES MAY EVEN REACH NEAR ZERO IN SOME PLACES. SHOWERS...LIGHT RAIN AND DRIZZLE WILL HELP TO MAKE ROADS SLICK CAUSING HAZARDOUS DRIVING CONDITIONS. EARLY MORNING TRAVELERS AND COMMUTERS MAY WANT TO LEAVE HOME A LITTLE EARLY IN CASE OF TRAFFIC DELAYS. MOTORISTS ARE ADVISED TO ALLOW PLENTY OF SPACE BETWEEN YOU AND THE CAR AHEAD. TAKE ALL SAFETY PRECAUTION`S SO THAT YOU MAY REACH YOUR DESTINATION SAFELY. ADDITIONAL STATEMENTS WILL BE ISSUED TO KEEP YOU INFORMED OF THE CHANGING WEATHER CONDITIONS.
Special weather statement, Feb 1, 5:38 AM CST, 2 hours 42 minutes before
TXZ031-037-011300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 535 AM CST THU FEB 1 1990 ...THUNDERSTORMS CONTINUE TO INTENSIFY ACROSS MCLENNAN AND SURROUNDING COUNTIES... AT 5:25 AM CST...WACO RADAR NUMEROUS SHOWERS AND THUNDERSTORMS FROM JACKSBORO TO DALLAS...AND SOUTHWARD ACROSS THE WACO AREA TO A LAKE TRAVIS/ROSEBUD LINE. THE THUNDERSTORMS HAVE INCREASED IN COVERAGE AND INTENSITY DURING THE PAST HOUR OR SO. THE STRONGEST STORMS WERE LOCATED ALONE A LINE FROM WESTERN BELL COUNTY SOUTH OF KILLEEN...NORTHWARD ACROSS CORYELL COUNTY TO EAST OF WALNUT SPRINGS IN BOSQUE COUNTY AND BEYOND. THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...POSSIBLE HAIL...AND PERIODS OF VERY HEAVY RAIN SHOULD BE EXPECTED WITH THE LARGER STORMS. <SOME LOCAL STREET FLOODING IS ALSO POSSIBLE. MOTORISTS ARE ADVISED TO REDUCE SPEEDS SINCE VISIBILITIES AND STOPPING TIME WILL BE GREATLY REDUCED BY HEAVY RAIN. OTHERWISE A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND SOUTH CENTRAL TEXAS INCLUDING THE WACO AND BRYAN/COLLEGE STATION AREAS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Feb 1, 6:05 AM CST, 2 hours 15 minutes before
NORTH TEXAS SEVERE WEATHER OUTLOOK STATEMENT NATIONAL WEATHER SERVICE FT WORTH TX 600 AM CST THU FEB 1 1990 THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS OVER NORTH TEXAS FOR TODAY AND TONIGHT GENERALLY TO THE EAST OF A WACO TO PARIS LINE. OVER THE REMAINDER OF NORTH TEXAS THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND EARLY THIS EVENING. THE SEVERE THUNDERSTORMS WILL PRODUCE HAIL IN EXCESS OF 3/4 INCH...DAMAGING WINDS IN EXCESS OF 60 MPH AND POSSIBLY TORNADOES. A STRONG UPPER AIR STORM CENTER...LOCATED OVER NORTHERN MEXICO THIS MORNING...WILL MOVE NORTHEASTWARD ACROSS NORTH TEXAS TODAY AND THIS EVENING. WITH AMPLE LOW AND MID LEVEL MOISTURE IN PLACE OVER THE AREA...PLUS MORE MOISTURE POURING IN ON WARM LOW LEVEL FLOW...THE AIR MASS WILL CONTINUE TO BECOME MORE UNSTABLE AS THE UPPER AIR TROUGH APPROACHES. A SURFACE LOW PRESSURE CENTER IS DEVELOPING NEAR STEPHENVILLE WHILE A DRY LINE...SEPARATING DRY AIR TO THE WEST FROM THE MOIST AIR TO THE EAST IS IN PLACE OVER WEST TEXAS. THIS DRY LINE WILL MOVE EASTWARD TODAY...IN RESPONSE TO THE EASTWARD MOVEMENT OF THE UPPER AIR STORM CENTER AND MERGE WITH THE SURFACE LOW. THESE FEATURE WILL SERVE AS A FOCUS FOR INTENSFYING THE THUNDERSTORM DEVELOPMENT LATER THIS MORNING AND AFTERNOON. THE DRY LINE SHOULD MOVE TO NEAR A SHERMAN...DALLAS...WACO LINE BY SUNSET AND THROUGH EAST TEAXS BY SUNRISE. WITH PASSAGE OF THE DRY LINE...THUNDERSTORMS WILL END. THIS IS A VERY INTENSE UPPER AIR STORM CENTER MOVING THROUGH NORTH TEXAS. BY LATE MORNING...A JET MAX WILL MOVE INTO NORTH TEXAS AND MID LEVEL DRYING WILL BE TAKING PLACE...AND VERTICAL WIND SHEARS WILL BE MORE FAVORABLE. THESE INGREDIENTS ARE FAVORABLE FOR THE FORMATION OF TORNADOES. EMERGENCY MANAGEMENT DIRECTORS AND STORM SPOTTER GROUPS AREA WIDE SHOULD BE IN A HIGH STATE OF READINESS TODAY FOR ACTIVATION. THIS ALERT WILL CONTINUE FOR THOSE GROUPS OVER THE EASTERN HALF THE AREA TONIGHT.
Special weather statement, Feb 1, 8:07 AM CST, 13 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 5:09 AM CST | Flash Flood Warning | FWD | Johnson | 4 hr |
| Feb 1, 6:33 AM CST | Flash Flood Warning | FWD | Tarrant | 4 hr |
| Feb 1, 6:55 AM CST | Flash Flood Warning | FWD | Dallas, Ellis | 4 hr |
| Feb 1, 7:52 AM CST | Flash Flood Warning | FWD | Fannin | 4 hr |
| Feb 1, 7:58 AM CST | Flash Flood Warning | FWD | Collin | 4 hr |
| Feb 1, 9:10 AM CST | Flash Flood Warning | FWD | Denton | 2 hr |
| Feb 1, 4:06 PM CST | Severe Thunderstorm Warning | FWD | Hamilton | 54 min |
| Feb 1, 4:36 PM CST | Severe Thunderstorm Warning | FWD | Coryell | 69 min |
| Feb 1, 5:09 PM CST | Severe Thunderstorm Warning | FWD | Bosque, McLennan | 66 min |
| Feb 1, 5:09 PM CST | Severe Thunderstorm Warning | FWD | Bell | 66 min |
| Feb 1, 5:50 PM CST | Severe Thunderstorm Warning | FWD | Falls, Limestone | 55 min |
| Feb 1, 5:50 PM CST | Severe Thunderstorm Warning | FWD | Hill | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.