Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 84, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 5, 1991, 5:17 PM CDT for Mobile County, Alabama. It was in force for 58 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
- Jun 5, 1991, 5:17 PM CDT (22:17 UTC)
- Expired
- Jun 5, 1991, 6:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 5:30 PM CDT | Thunderstorm Wind 0 | Mobile, AL |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.3 hours before the alert went out and 152 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
- 1156 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1198 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 39 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
Local storm report, Jun 5, 4:50 PM CDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
447 PM CDT WED JUN 5 1991
TIME EVENT
340 PM CDT HARRISON SO MISSISSIPPI REPORTED MARBLE SIZE HAIL.
352 PM CDT PUBLIC REPORTS TRE ES DOWN NORTH OF KILN
HARRISON COUNTY
440 PM CDT HARRISON CD REPORTED TREES DOWN AND A TIN ROOF
OFF A BUILDING IN NORTH BILOXI. REPORTED AS AN
UNCONFIRMED TORNADO.Local storm report, Jun 5, 5:01 PM CDT, 16 minutes before
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 4:56 PM CDT | Severe Thunderstorm Warning | MOB | Dallas | 64 min |
| Jun 5, 3:42 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 63 min |
| Jun 5, 4:01 PM CDT | Severe Thunderstorm Warning | MOB | Stone | 59 min |
| Jun 5, 4:11 PM CDT | Severe Thunderstorm Warning | MOB | Harrison | 49 min |
| Jun 5, 4:55 PM CDT | Severe Thunderstorm Warning | MOB | George | 50 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1991Every severe thunderstorm warning in 1991
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.