Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 29, NWS Mobile, AL

July 22, 2003Monroe County, Alabama

NWS Mobile, AL issued this flash flood warning at Jul 22, 2003, 3:59 PM CDT for Monroe County, Alabama. It was in force for 76 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 22, 2003, 3:59 PM CDT (20:59 UTC)
Expired: Jul 22, 2003, 5:15 PM CDT
In force: 76 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Monroe County, AL

The radar

The Mobile radar (KMOB), 128 km from the middle of the area, began a volume at 20:59 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 9.0 hours before the alert went out and 150 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: 2360 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 767 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -59 m²/s²
0-3 km storm-relative helicity: -19 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 
WGUS54 KMOB 222101
FFWMOB
ALC099-222215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
359 PM CDT TUE JUL 22 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTH CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF MONROEVILLE AND FRISCO CITY

* UNTIL 515 PM CDT

* NATIONAL WEATHER SERVICE RADAR CONTINUES TO SHOW NUMEROUS          
  THUNDERSTORMS TRAINING EASTWARD ACROSS MONROE COUNTY 

* STORM SPOTTERS HAVE REPORTED WATER OVER NUMEROUS ROADS IN...       
  MONROEVILLE AND FRISCO CITY
 
TRAINING STORMS AND HEAVY RAINS WILL ALSO CONTINUE TO EFFECT AREAS 
AROUND BEATRICE...TUNNEL SPRINGS...GOODWAY AND URIAH THROUGH 515 PM. 

REMEMBER...A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR 
OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND 
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE 
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT 
TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT 
OR BY AUTOMOBILE. VEHICLES CAUGHT IN RISING WATER SHOULD BE 
ABANDONED QUICKLY. 

LAT...LON 3174 8746 3132 8764 3129 8743 3181 8705

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 1:17 AM CDT	Special Marine Warning	MOB		58 min
Jul 22, 1:05 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	25 min
Jul 22, 1:26 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe	49 min
Jul 22, 1:56 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	49 min
Jul 22, 2:21 PM CDT	Severe Thunderstorm Warning	MOB	Washington	39 min
Jul 22, 3:56 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	34 min

Nearby

Flash Flood Warnings in Alabama, 2003 Every flash flood warning in 2003

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.