Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 582, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 9, 1998, 1:11 PM CDT for Jefferson County, Alabama. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 9, 1998, 1:11 PM CDT (18:11 UTC)
- Expired
- Jul 9, 1998, 2:15 PM CDT
- In force
- 64 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 1:15 PM CDT | Thunderstorm Wind 51 | Birmingham Arpt, AL | A gust to 59 mph was reported at the airport by the Birmingham ASOS. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.2 hours before the alert went out and 43 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
- 2394 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -7 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, Jul 9, 9:30 AM CDT, 3 hours 41 minutes before
ALZ001>050-GAZ089-090-102-120-100225- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 930 AM CDT THU JUL 9 1998 HOT AND HUMID WEATHER WILL CONTINUE OVER THE AREA AGAIN TODAY. HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 OVER MUCH OF CENTRAL AND SOUTH ALABAMA...AND WEST CENTRAL GEORGIA. AN EXCESSIVE HEAT ADVISORY IN EFFECT TODAY ACROSS WEST CENTRAL GEORGIA THROUGH FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TODAY...AND THIS PRECIPITATION WILL BRING SOME RELIEF FROM THE HEAT. A FEW THUNDERSTORMS MAY PRODUCED SOME STRONG DOWNDRAFT WINDS THIS AFTERNOON ...BUT WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AND ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA...SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA...LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
Special weather statement, Jul 9, 9:30 AM CDT, 3 hours 41 minutes before
ALZ001>050-GAZ089-090-102-120-100225- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 930 AM CDT THU JUL 9 1998 HOT AND HUMID WEATHER WILL CONTINUE OVER THE AREA AGAIN TODAY. HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 OVER MUCH OF CENTRAL AND SOUTH ALABAMA...AND WEST CENTRAL GEORGIA. AN EXCESSIVE HEAT ADVISORY IN EFFECT TODAY ACROSS WEST CENTRAL GEORGIA THROUGH FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TODAY...AND THIS PRECIPITATION WILL BRING SOME RELIEF FROM THE HEAT. A FEW THUNDERSTORMS MAY PRODUCED SOME STRONG DOWNDRAFT WINDS THIS AFTERNOON ...BUT WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AND ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA...SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA...LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 1:06 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 64 min |
| Jul 9, 1:27 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 63 min |
| Jul 9, 1:55 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 50 min |
| Jul 9, 2:01 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 34 min |
| Jul 9, 2:09 PM CDT | Flash Flood Warning | BMX | Jefferson | 2 hr |
| Jul 9, 2:12 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 33 min |
| Jul 9, 3:47 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 63 min |
| Jul 9, 3:49 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 51 min |
| Jul 9, 4:32 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 48 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.