Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 134, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 19, 1990, 6:41 PM CDT for Marengo County, Perry County, Alabama. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1990, 6:41 PM CDT (23:41 UTC)
- Expired
- Aug 19, 1990, 7:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Marengo County, AL, Perry County, AL
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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 11.7 hours before the alert went out and 60 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
- 0 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 192357 COR SVRBHM ALC091-105-200015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 641 PM CDT SUN AUG 19 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...EASTERN MARENGO COUNTY...PERRY COUNTY AT 643 PM WEATHER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER EASTERN MARENGO COUNTY NEAR THE TOWN OF DAYTON MOVING SLOWLY SOUTHWARD. OTHER STORMS WERE DEVELOPING RAPIDLY OVER PERRY COUNTY. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HExAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Aug 19, 1:58 PM CDT, 4 hours 43 minutes before
ALZ004>009-011-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 157 PM CDT SUN AUG 19 1990 AT 156 PM...WEATHER SERVICE RADAR AT CENTREVILLE INDICTED A STRONG THUNDERSTORM ALONG THE CHEROKEE/DE KALB COUNTY LINE BETWEEN COLLINSVILLE AND WEISS LAKE. THIS STORM WAS PRODUCING VERY HEAVY RAIN AND STRONG GUSTY WINDS...ALSO SOME SMALL HAIL WAS INDICATED. OTHER STRONG STORMS WERE IN SOUTH CENTRAL CLAY COUNTY...SOUTH OF ASHLAND. THESE STORMS WERE DRIFTING SLOWLY TO THE SOUTHEAST. THE STORM IN CHEROKEE COUNTY WILL MOVE OVER WEISS RESERVOIR. BOATERS SHOULD MOVE TO SAFE SHELTER AND BATHERS SHOULD MOVE AWAY FROM SHORE AND INTO SAFE SHELTER UNTIL THE STORM HAS PASSED. OTHER LIGHT TO MODERATE SHOWERS WERE IN BLOUNT AND SHELBY COUNTIES. ALL OF THE RAIN ACTIVITY WAS MOVING SLOWLY TO THE EAST SOUTHEAST AND BECAUSE OF THEIR SLOW MOVEMENT...HEAVY RAINFALL AMOUNTS ARE POSSIBLE IN A SHORT TIME. CONTINUE TO LISTEN TO YODUR LOCAL TV...RADIO OR NOAA WEATHER RADIO FOR THE LATEST WEATHER UPDATES AND STATEMENTS.
Special weather statement, Aug 19, 2:11 PM CDT, 4 hours 30 minutes before
ALZ010-011-012-014-017-018-192100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 210 PM CDT SUN AUG 19 1990 AT 200 PM CDT RADAR AT MONTGOMERY SHOWED A CLUSTER OF STRONG THUNDERSTORMS OVER NORTHEAST COOSA COUNTY AND NORTHWEST TALLAPOOSA COUNTY. THE HEAVIER STORMS WERE 5 MILES WEST AND 10 MILES NORTHWEST OF ALEXANDER CITY. THESE THUNDERSTORMS WERE DRIFTING SLOWLY TO THE SOUTH AND WILL BE PRODUCING VERY HEAVY DOWNPOURS...INTENSE LIGHTNING ...AND STRONG GUSTY WINDS ALONG WITH THE POSSIBILTY OF SMALL HAIL. FLOODING OF STREETS AND LOW LYING AREAS IS ALSO POSSIBLE DUE TO THE SLOW MOVEMENT OF THE STORMS. OTHER WIDELY SCATTERED THUNDERSTORMS WERE DEVELOPING OVER SOUTH ALABAMA AKND WILL CONTINUE TO DEVELOPE DURING THE AFTERNOON AND EVENING HOURS. PERSONS IN SOUTH ALABAMA AS WELL AS BOATERS ON AREA LAKES AND RIVERS SHOULD REMAIN ALERT AND SEEK SHELTER WHEN THUNDERSTORMS APPROACH.
Special weather statement, Aug 19, 3:13 PM CDT, 3 hours 28 minutes before
ALZ010-011-012-014-017-018-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 315 PM CDT SUN AUG 19 1990 AT 310 PM CDT RADAR AT MONTGOMERY SHOWED A CLUSTER OF STRONG THUNDERSTORMS OVER NORTHCENTRAL ELMORE AND EXTREME SOUTHCENTRAL COOSA COUNTIES. THE HEAVIER THUNDERSTRORMS EXTENDED FROM 5 MILES NORTHEAST OF WETUMPKA TO NEAR EQUALITY. THE STORMS WERE MOVING TO THE SOUTH SOUTHWEST AT 5 TO 10 MPH. THE THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS...DANGEROUS LIGHTNING...STRONG GUSTY WINDS...AND POSSIBILY SMALL HAIL. OTHER WIDELY SCATTERED THUNDERSTORMS CONTINUE OVER SOUTH CENTRAL AND SOUTHEAT ALABAMA. PERSONS IN SOUTH ALABAMA AND ESPECIALLY BOATERS ON AREA LAKES AND RIVERSP SHOULD REMAIN ALERT AND SEEK SHELTER WHEN THUNDERSTORMS APPROACH.
Special weather statement, Aug 19, 4:21 PM CDT, 2 hours 20 minutes before
ALZ004>009-011-192215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 420 PM CDT SUN AUG 19 1990 AT 418 PM...WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS MUCH OF CENTRAL ALABAMA. THE STRONGEST STORM WAS LOCATED IN THE RANDOLPH COUNTY NEAR THE TOWN OF WADLEY. THIS STORM PRODUCED PEA SIZE HAIL AND DOWNED TREES IN WEDOWEE AT 345 PM. YOU CAN EXPECT HEAVY DOWNPOURS AND POSSIBLY SOME LIGHTNING AND GUSTY WINDS WITH THIS STORM AS IT DRIFT SLOWLY SOUTHWARD. THIS STORMS WILL LIKELY MOVE INTO NORTHWEST CHAMBERS AND NORTHEAST TALLAPOOSA BY 430 PM. ELSEWHERE...OTHER STORM WERE SCATTERED ACROSS JEFFERSON...WALKER...AND CHILTON COUNTIES. THUNDERSTORMS ARE LIKELY TO DEVELOP THROUGHOUT THE AFTERNOON SO PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
Special weather statement, Aug 19, 5:55 PM CDT, 46 minutes before
ALZ004>009-011-192400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 555 PM CDT SUN AUG 19 1990 AT 553 PM...LATEST RADAR PICTURES INDICATED A STRONG THUNDERSTORM ON THE JEFFERSON/SHELBY COUNTY LINE BETWEEN HELENA AND BESSEMER. THIS STORM WAS PRODUCING VERY HEAVY RAIN AND IS CAPABLE OF PRODUCING GUSTY WINDS AND DANGEROUS LIGHTNING...AS IT SLOWLY DRIFT SOUTHWESTWARD. OTHER STORMS WERE SCATTERED ACROSS JEFFERSON...TALLADEGA...AN D HALE COUNTIES. PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY FOR QUICK ACTION IF WARNINGS ARE ISSUED.
Special weather statement, Aug 19, 6:05 PM CDT, 36 minutes before
ALZ014-017-200100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 600 PM CDT SUN AUG 19 1990 AT 555 PM RADAR SHOWED SEVERAL STRONG THUNDERSTORMS REMAINING OVER SOUTH CENTRAL ALABAMA. THE MOST INTENSE STORMS WERE IN A BAND EXTENDING FROM TROY TO FORT DEPOSIT,,,AND BETWEEN SELMA AND BENTON. THE STORMS WERE DRIFTING SOUTHWEST AT ARROUND 10 MPH AND MAY CONTINUE TO PRODUCE STRONG GUSTY WINDS...TORRENTIAL RAIN...EXTREMELY DANGEROUS LIGHTNING...AND POSSIBLY SOME SMALL HAIL UNTIL AROUND SUNSET. SOME STREET FLOODING AND POWER OUTAGES WERE REPORTED IN TROY AS ONE OF THE STORMS MOVED THROUGH...AND SOME TREES WERE BLOWN DOWN IN SOUTHERN PIKE COUNTY JUST BEFORE 545PM. STAY TUN'ED TO LOCAL RADIO OR TV STATIONS OR TO THE NATIONAL WEATHER SERVICE RADIO FOR LATER INFORMATION. DEVAUGHN
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:34 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 21 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 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.