Alert archive / Florida / Flash Flood Warnings in 1998

Flash Flood Warning 37, NWS Mobile, AL

September 27, 1998Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Sep 27, 1998, 9:43 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 3 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 27, 1998, 9:43 PM CDT (02:43 UTC)
Expired: Sep 28, 1998, 12:45 AM CDT
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Whole counties

Counties Escambia County, FL, Santa Rosa County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.7 hours before the alert went out and 246 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 203 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 280246
FFWMOB
FLC033-113-280545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
943 PM CDT SUN SEP 27 1998

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA
  SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA

* UNTIL 1245 AM CDT

* AT 835 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR AT MOBILE
  INDICATED
+BANDS OF HEAVY RAIN ASSOCIATED WITH HURRICANE GEORGES
ARE MOVING ACROSS ESCAMBIA AND SANTA ROSA COUNTIES FROM THE
SOUTHEAST.  THE MOST SERIOUS FLOODING WILL OCCUR SOUTH OF
I-10 WHERE AROUND PENSACOLA WHERE 4 INCHES OF RAIN HAVE FALLEN IN THE
PAST HOUR. EMERGENCY MANAGEMENT OFFICIALS REPORT THAT
FLOODING OF LOW LYING AREAS AND STREETS IN PENSACOLA AND AROUND MILTON
IS OCCURRING WITH MANY ROADS IMPASSABLE.

* WIDESPREAD FLOODING OF SMALL STREAMS AND POOR
  DRAINAGE AREAS IS POSSIBLE ELSEWHERE IN ESCAMBIA AND SANTA ROSA
COUNTIES.

MOVE TO HIGHER GROUND IF FLOOD WATERS THREATEN.



DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY AND THE ROAD BENEATH MAY NOT BE INTACT. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. IT ONLY TAKES
A FOOT OR TWO OF FLOWING WATER TO WASH MOST CARS AWAY. REMEMBER...
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 27, 8:26 PM CDT	Tornado Warning	MOB	Escambia, Santa Rosa	49 min
Sep 28, 1:02 AM CDT	Flash Flood Warning	MOB	Escambia	7 hr
Sep 28, 1:02 AM CDT	Flash Flood Warning	MOB	Santa Rosa	7 hr
Sep 28, 3:25 AM CDT	Flash Flood Warning	MOB	Okaloosa	3 hr
Sep 28, 5:06 AM CDT	Tornado Warning	MOB	Okaloosa	69 min
Sep 28, 6:00 AM CDT	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	6 hr
Sep 28, 11:54 AM CDT	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	8 hr

Nearby

Flash Flood Warnings in Florida, 1998 Every 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.