Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 142, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 3, 1998, 8:17 PM CDT for Escambia County, Florida. It was in force for 73 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
- May 3, 1998, 8:17 PM CDT (01:17 UTC)
- Expired
- May 3, 1998, 9:30 PM CDT
- In force
- 73 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Escambia County, FL
The radar
The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 01:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 3, 9:26 PM CDT | Hail 1.75 | Molino, FL | Golfball size hail was reported in the community. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 3, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 1.3 hours before the alert went out and 230 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
- 1568 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
651 WUUS1 KMOB 040116 RRA SVRMOB FLC033-040230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 817 PM CDT SUN MAY 3 1998 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA * UNTIL 930 PM CDT * AT 816 PM CDT... A SEVERE THUNDERSTORM WAS LOCATED 35 MILES WEST OF CENTURY OR 15 MILES WEST OF PINEVILLE... AS INDICATED BY DOPPLER RADAR AND SPOTTER REPORTS... MOVING EAST 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR- PINEVILLE AT 820 PM CDT WALNUT HILL AT 830 PM CDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 9:10 PM CDT | Tornado Warning | MOB | Escambia | 65 min |
| May 3, 9:48 PM CDT | Tornado Warning | MOB | Santa Rosa | 72 min |
| May 4, 1:08 AM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 52 min |
| May 4, 2:02 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 58 min |
| May 4, 3:02 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 58 min |
Nearby
Severe Thunderstorm Warnings in Florida, 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; radar from the NEXRAD Level II archive.