Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 91, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jun 9, 1990, 6:42 PM CDT for Randolph County, Alabama. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1990, 6:42 PM CDT (23:42 UTC)
- Expired
- Jun 9, 1990, 7:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Randolph 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 168 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
- NaN m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 50 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 092342 SVRBHM ALC111-100030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 642 PM CDT SAT JUN 9 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...RANDOLPH COUNTY AT 640 PM A SEVERE THUNDERSTORM WAS INDICATED IN NORTHERN RANDOLPH COUNTY NEAR NEWELL. THERE ARE STRONG INDICATIONS OF HAIL WITH THIS STORM...AND IT IS ALSO CAPABLE OF PRODUCING STRONG GUSTY WINDS...HEAVY RAIN...AND INTENSE LIGHTNING AS IT DRIFTS SLOWLY SOUTHEAST ACROSS RANDOLPH COUNTY DURING THE NEXT HOUR. IF YOU ARE CAUGHT OUTSIDE...SEEK bSHELTER 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, Jun 9, 12:44 PM CDT, 5 hours 58 minutes before
ALZ010-091845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 1237 PM CDT SAT JUN 9 1990 AT 1235 PM CDT...RADAR SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTH ALABAMA STRETCHING FROM NEAR COLUMBUS GEORGIA SOUTHWEST TO TROY ON INTO SOUTHWEST ALABAMA. LITTLE MOVEMENT WAS INDICATED WITH THESE STORMS. THE HEAVIER THUNDERSTORMS EXTENDED FROM SOUTHWEST OF TROY TO SOUTHERN CRENSHAW COUNTY. PERSONS IN SOUTH ALABAMA CAN EXPECT VERY DANGEROUS LIGHTNING... GUSTY WINDS AND POSSIBLY SOME HAIL ALONG WITH THE HEAVY DOWNPOURS. THUNDERSTORMS WILL CONTINUE TO DEVELOPE OVER SOUTH ALABAMA THROUGHOUT THE AFTERNOON AND EVENING HOURS. BOATERS ON AREA RIVERS AND LAKES, SHOULD PAY CLOSE ATTENTION TO THE WEATHER AND SEEK SAFE HARBOUR WHEN THUNDERSTORMS APPROACH. SOME LOCAL FLOODING OF STREETS AND LOW LYING AREAS MAY ALSO OCCURE DUE TO THE SLOW MOVEMENT OF THE STORMS.
Special weather statement, Jun 9, 12:46 PM CDT, 5 hours 56 minutes before
ALZ010-011-012-014-017-018-091845- SPECIAL WEATHER STATEMENT CORRECTION NATIONAL WEATHER SERVICE MONTGOMERY AL 1237 PM CDT SAT JUN 9 1990 AT 1235 PM CDT...RADAR SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTH ALABAMA STRETCHING FROM NEAR COLUMBUS GEORGIA SOUTHWEST TO TROY ON INTO SOUTHWEST ALABAMA. LITTLE MOVEMENT WAS INDICATED WITH THESE STORMS. THE HEAVIER THUNDERSTORMS EXTENDED FROM SOUTHWEST OF TROY TO SOUTHERN CRENSHAW COUNTY. PERSONS IN SOUTH ALABAMA CAN EXPECT VERY DANGEROUS LIGHTNING... GUSTY WINDS AND POSSIBLY SOME HAIL ALONG WITH THE HEAVY DOWNPOURS. THUNDERSTORMS WILL CONTINUE TO DEVELOPE OVER SOUTH ALABAMA THROUGHOUT THE AFTERNOON AND EVENING HOURS0. BOATERS ON AREA RIVERS AND LAKES SHOULD PAY CLOSE ATTENTION TO THE WEATHER AND SEEK SAFE HARBOUR WHEN THUNDERSTORMS APPROACH. SOME LOCAL FLOODING OF STREETS AND LOW LYING AREAS MAY ALSO OCCURE DUE TO THE SLOW MOVEMENT OF THE STORMS.
Special weather statement, Jun 9, 12:55 PM CDT, 5 hours 47 minutes before
ALZ007-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1253 PM CDT FRI JUN 9 1990 STRONG THUNDERSTORMS HAVE DEVELOPED IN NORTHERN ALABAMA EARLY THIS AFTERNOON. AT 1250 PM WEATHER SERVICE RADAR SHOWED AN AREA OF THUNDERSTORMS THAT STRETCHED FROM JUST SOUTH OF WEISS RESERVOIR TO NEAR SPRINGVILLE IN ST. CLAIR COUNTY. THE STRONGEST STORM AT THAT TIME WAS JUST SOUTH OF GADSDEN ALONG THE ETOWAH-CALHOUN COUNTY LINE. MOVEMENT APPEARS TO BE SLOWLY TO THE SOUTHEAST...AND THESE STORMS WILL BE AFFECTING THE COUNTIES OF ETOWAH...CALHOUN...AND ST CLAIR DURING THE NEXT HOUR OR TWO. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN AS WELL SOME LIGHTNING AND RESIDENTS IN THE AFFE<CTED AREAS SHOULD REMAIN ALERT.
Special weather statement, Jun 9, 2:41 PM CDT, 4 hours 1 minute before
ALZ010-011-012-014-017-018-092130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 235 PM CDT SAT JUN 9 1990 THUNDERSTORMS CONTINUE OVER SOUTH ALABAMA. AT 230 PM CDT...RADAR SHOWED THE HEAVIER STORMS IN SOUTHWEST LEE COUNTY...SOUTHWEST COVINGTON COUNTY...SOUTHEAST MONTGOMERY COUNTY AND IN CENTRAL GENEVA COUNTY. THESE THUNDERSTORMS WERE DRIFTING SLOWLY SOUTHEAST AT AROUND 5 MILES AN HOUR. THE THUNDERSTORMS WERE MORE NUMEROUS OVER EAST CENTRAL AND SOUTHEAST ALABAMA. THE THUNDERSTORMS WILL PRODUCE INTENSE LIGHTNING...GUSTY WINDS... HEAVY DOWNPOURS AND POSSIBLY SOME HAIL. PERSONS IN SOUTH ALABAMA SHOULD STAY ABREAST OF THE WEATHER DURING THE AFTERNOON AND EVENING HOURS AND SEEK SAFE SHELTER WHEN THUNDERSTORMS APPROACH.
Special weather statement, Jun 9, 3:47 PM CDT, 2 hours 55 minutes before
ALZ010-011-012-014-017-018-092245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 342 PM CDT SAT JUN 9 1990 AT 345 PM CDT RADAR SHOWED STRONG THUNDERSTORMS OVER LOWNDES COUNTY WEST OF MONTGOMERY...NEAR DOTHAN...AND IN CENTRAL GENEVA COUNTY. OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTH ALABAMA WITH MOST OF THE ACTIVITY IN THE SOUTHEAST PORTION OF THE STATE. THESE THUNDERSTORMS WERE DRIFTING SLOWLY TO THE SOUTH. PERSONS NEAR THE HEAVIER STORMS CAN EXPECT GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY DOWNPOURS AND POSSIBLY SOME HAIL.
Special weather statement, Jun 9, 5:28 PM CDT, 1 hour 14 minutes before
ALZ006-007-009-011-092325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 527 PM CDT SAT JUN 9 1990 AT 525 PM A STRONG THUNDERSTORM WAS LOCATED OVER THE CAHABA HEIGHTS AREA IN SOUTHERN JEFFERSON COUNTY. SOME SMALL HAIL HAS BEEN REPORTED WITH THIS THUNDERSTORM DURING THE PAST 10 MINUTES. THIS THUNDERSTORM WAS DRIFTING SLOWLY SOUTHEAST...AND WILL LIKELY MOVE INTO NORTHERN SHELBY COUNTY DURING THE NEXT HOUR. OTHER STRONG THUNDERSTORMS WERE LOCATED IN EAST CENTRAL ALABAMA OVER PORTIONS OF TALLADEGA AND CLAY COUNTIES. THESE THUNDERSTORMS WERE ALSO DRIFTING SLOWLY SOUTHEAST. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL...GUSTY WINDS...AND SOME HAIL DURING THE NEXT HOUR.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 5:27 PM CDT | Severe Thunderstorm Warning | BMX | Limestone, Madison | 63 min |
| Jun 9, 5:39 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Talladega | 66 min |
| Jun 9, 6:27 PM CDT | Severe Thunderstorm Warning | BMX | Jackson, Madison | 63 min |
| Jun 9, 6:30 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 50 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.