Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 133, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 19, 1990, 2:34 PM CDT for Cherokee County, Alabama. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1990, 2:34 PM CDT (19:34 UTC)
- Expired
- Aug 19, 1990, 2:55 PM CDT
- In force
- 21 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Cherokee 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, 7.6 hours before the alert went out and 205 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 191935 SVRBHM ALC019-192000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 234 PM CDT SUN AUG 19 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...CHEROKEE COUNTY AT 2:35 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN CHEROKE COUNTY NEAR WEISS RESERVOIR. THE STORM WAS DRIFTING SLOWLY SOUTHEAST AT ABOUT 5 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY 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, 36 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, 23 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.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 6:41 PM CDT | Severe Thunderstorm Warning | BMX | Marengo, Perry | 34 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.