Alert archive / Florida / Flash Flood Warnings in 1998
Flash Flood Warning 57, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Sep 29, 1998, 4:02 AM CDT for Okaloosa County, Florida. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 29, 1998, 4:02 AM CDT (09:02 UTC)
- Expired
- Sep 29, 1998, 11:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 65 km from the middle of the area, began a volume at 09:02 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.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.0 hours before the alert went out and 221 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
- 855 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 290906 FFWMOB ALC003-013-039-053-097-129-FLC033-091-113-291600- BULLETIN - EAS ACTIVATION REQUESTED WARNING...RESEND NATIONAL WEATHER SERVICE MOBILE AL 402 AM CDT TUE SEP 29 1998 THE NATIONAL WEATHER SERVICE IN MOBILE HAS EXTENDED THE FLOOD WARNINGS FOR THE FOLLOWING COUNTIES IN SOUTHWEST AND SOUTH CENTRAL ALABAMA * MOBILE...BALDWIN...WASHINGTON...BUTLER...COVINGTON...ESCAMBIA... NORTHWEST FLORIDA ESCAMBIA...OKALOOSA...SANTA ROSA * UNTIL 1100 AM CDT * AT 400 AM CDT...TROPICAL STORM GEORGES WAS LOCATED NEAR THE MOBILE REGIONAL AIRPORT. PRECIPITATION...HEAVY AT TIMES IN BANDS REMAINS CONFINED TO THE EAST OF THE CENTER...WILL AFFECT THE WARNED AREA THROUGH LATE MORNING AS THE SYSTEM MOVES SLOWLY EAST NORTHEAST. * THIS WILL CAUSE WIDESPREAD FLOODING OF SMALL STREAMS AND POOR DRAINAGE AREAS TO CONTINUE IN THE COUNTIES LISTED ABOVE. MANY COUNTY AND SECONDARY ROADS WILL REMAIN CLOSED DUE TO HIGH WATER THROUGH THE REMAINDER OF THE MORNING. SEVERAL BRIDGES REMAIN IMPASSABLE DUE TO SWOLLEN CREEKS AND STREAMS. ADDITIONAL RAINFALL ACCUMULATIONS 1 TO 3 INCHES WILL AGGRAVATE THE FLOODING PROBLEM DUE THE SATURATED GROUND CONDITIONS. THE FOLLOWING IS A THREE DAY TOTAL OF SOME OF THE LARGER RAINFALL AMOUNTS FROM SATURDAY TO MONDAY. IN ALABAMA... ALABAMA PORT 13.66 INCHES ATMORE 6.61 INCHES AXIS 10.00 INCHES BAY MINETTE 14.55 INCHES BREWTON 8.00 INCHES CHATOM 9.80 INCHES FRISCO CITY 4.00 INCHES JACKSON 4.00 INCHES MOBILE 12.20 INCHES DOWNTOWN MOBILE 10.99 INCHES PENNINGTON 6.00 INCHES SEMINOLE 9.43 INCHES THOMASVILLE 2.60 INCHES WHATELY 4.25 INCHES IN FLORIDA... MUNSON 25.06 INCHES NICEVILLE 10.08 INCHES PENSACOLA AIRPORT 10.08 INCHES SHALIMAR 8.82 INCHES IN MISSISSIPPI... BUCKATUNNA 3.00 INCHES LEAKESVILLE 8.29 INCHES MOTORISTS SHOULD NOT DRIVE AROUND ROAD BARRIERS OR ATTEMPT TO DRIVE THROUGH WATER COVERED ROADWAYS. NEARLY HALF OF ALL FLASH FLOOD DEATHS ARE AUTO RELATED. TWO FEET OF WATER WILL CARRY AWAY MOST AUTOMOBILES. IN YOUR AUTOMOBILE...LOOK OUT FOR FLOODING IN HIGHWAY RIDGES AND LOW AREAS. SPECIFIC INFORMATION ON CREST FORECASTS OF RIVERS AND TRIBUTARIES CAN BE FOUND I:N FLOOD STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE IN MOBILE. GJM
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 7:59 PM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Sep 28, 9:58 PM CDT | Tornado Warning | MOB | Okaloosa | 77 min |
| Sep 29, 3:08 AM CDT | Tornado Warning | MOB | Santa Rosa | 37 min |
| Sep 29, 4:02 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 7 hr |
| Sep 29, 11:59 AM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
Nearby
Flash Flood Warnings in Florida, 1998Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.