Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 209, NWS Mobile, AL

July 22, 2000Escambia County, Alabama; Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 22, 2000, 3:48 PM CDT for Escambia County, Alabama; Escambia County, Santa Rosa County, Florida. It was in force for 42 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 22, 2000, 3:48 PM CDT (20:48 UTC)
Expired: Jul 22, 2000, 4:30 PM CDT
In force: 42 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Escambia County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 20:48 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
Jul 22, 3:55 PM CDT	Thunderstorm Wind 60 E	Jay, FL	Trees were down and a tin roof was damaged in Jay as thunderstorms moved through the area.
Jul 22, 4:00 PM CDT	Thunderstorm Wind 55 E	Brewton, AL	High thunderstorm winds downed trees and power lines near the community.
Jul 22, 4:00 PM CDT	Thunderstorm Wind 55 E	Jay, FL	Thunderstorm winds downed several trees around 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.8 hours before the alert went out and 238 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: 110 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1263 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: -27 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

577 
WUUS54 KMOB 222049
SVRMOB
ALC053-FLC033-113-222130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
348 PM CDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ESCAMBIA COUNTY IN ALABAMA
  THIS INCLUDES THE CITIES OF...BREWTON...EAST BREWTON
  EXTREME NORTHEASTERN ESCAMBIA COUNTY IN FLORIDA
  NORTHWESTERN SANTA ROSA COUNTY IN FLORIDA

* UNTIL 430 PM CDT

* AT 348 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER FLOMATON...OR ABOUT 11 MILES SOUTHWEST OF
  BREWTON...MOVING SOUTHWEST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL SOUTHERN ESCAMBIA COUNTY AT 400 PM CDT
RURAL NORTHERN ESCAMBIA COUNTY AT 400 PM CDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MOBILE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
SATURDAY EVENING FOR MISSISSIPPI. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING FOR MISSISSIPPI.

LAT...LON 3104 8752 3090 8702 3111 8684 3127 8725

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 1:14 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	46 min
Jul 22, 1:33 PM CDT	Severe Thunderstorm Warning	MOB	Washington	27 min
Jul 22, 1:59 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	61 min
Jul 22, 2:41 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	64 min
Jul 22, 3:21 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	24 min
Jul 22, 3:22 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	23 min
Jul 22, 3:31 PM CDT	Severe Thunderstorm Warning	MOB	Covington	44 min
Jul 22, 3:43 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	62 min
Jul 22, 3:06 PM CDT	Severe Thunderstorm Warning	MOB	Santa Rosa	54 min
Jul 22, 4:12 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	33 min
Jul 22, 4:35 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	55 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000 Severe Thunderstorm Warnings in Alabama, 2000 Every severe thunderstorm warning in 2000

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.