Alert archive / Mississippi / Flash Flood Warnings in 2014

Flash Flood Warning 21, NWS Mobile, AL

April 29, 2014George County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Apr 29, 2014, 2:10 AM CDT for George County, Mississippi; Mobile County, Alabama. It was in force for 4 hr. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 29, 2014, 2:10 AM CDT (07:10 UTC)
Expired
Apr 29, 2014, 6:15 AM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Mobile County, AL, George County, MS

The radar

The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 07:09 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

TimeReportWhereRemark
Apr 29, 2:50 AM CDTFLASH FLOODMidtown Mobile, ALFLOODING REPORTED IN A HOME ON SPIRNGHILL AVE. WATER FLOWING VERY QUICKLY THROUGH THE YARD AND STREET
Apr 29, 2:56 AM CDTHEAVY RAIN 4Mobile Regional Airport, AL4 INCHES OF RAIN MEASURED IN 1 HOUR
Apr 29, 3:00 AM CDTFLASH FLOODMidtown Mobile, ALFLOODING REPORTED INSIDE SPRINGHILL HOSPITAL. WATER GETTING INTO THE OPERATING ROOMS AND ER
Apr 29, 3:10 AM CDTFLASH FLOOD4 Se Mobile Regional Ai, AL3 FEET OF WATER AT THE WINN DIXIE AT SCHILLINGER RD AND COTTAGE HILL RD
Apr 29, 3:15 AM CDTFLASH FLOODDowntown Mobile, ALMOBILE POLICE REPORTS MOST ROADS IN DOWNTOWN MOBILE FLOODED. POLICE AND FIRE VEHICLES STALLED IN THE WATER AT VARIOUS LOCATIONS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.2 hours before the alert went out and 162 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2014-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2782 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2014-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2782 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
3.2
Supercell composite
16.2

Open this sounding in Storm Lab

The text

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

298 
WGUS54 KMOB 290710
FFWMOB
ALC097-MSC039-291115-
/O.NEW.KMOB.FF.W.0021.140429T0710Z-140429T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
210 AM CDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 615 AM CDT

* AT 209 AM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
  AREA AND RADAR ESTIMATES SHOW 2 TO 3 INCHES OF RAINFALL HAS
  OCCURRED OVER THE PAST HOUR. ADDITIONAL RAINFALL AMOUNTS OF 2 TO
  3 INCHES WILL BE POSSIBLE THROUGH 500 AM. THIS WILL LIKELY CAUSE
  FLASH FLOODING IN THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  MIDTOWN MOBILE...     DOWNTOWN MOBILE...    MOVICO...
  TILLMANS CORNER...    SEMMES...             SATSUMA...
  SARALAND...           PRICHARD...           MOUNT VERNON...

LAT...LON 3073 8842 3073 8889 3091 8888 3099 8883
      3100 8843 3111 8843 3115 8794 3109 8788
      3113 8794 3107 8796 3108 8789 3103 8796
      3104 8790 3095 8787 3088 8799 3083 8794
      3078 8802 3070 8800 3057 8808 3054 8840

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 9:37 PM CDTTornado WarningMOBWayne38 min
Apr 28, 10:12 PM CDTTornado WarningMOBWayne63 min
Apr 28, 10:15 PM CDTSevere Thunderstorm WarningMOBWayne45 min
Apr 28, 10:25 PM CDTTornado WarningMOBWayne50 min
Apr 28, 10:49 PM CDTFlash Flood WarningMOBWayne4 hr
Apr 28, 11:24 PM CDTSevere Thunderstorm WarningMOBWayne36 min
Apr 29, 12:31 AM CDTFlash Flood WarningMOBGreene4 hr
Apr 29, 1:18 AM CDTSevere Thunderstorm WarningMOBGeorge57 min
Apr 29, 9:30 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry5 days
Apr 29, 9:30 AM CDTRiver Flood WarningMOBGeorge, Greene, Jackson7 days
Apr 29, 2:50 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone40 min
Apr 29, 4:06 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone39 min
Apr 29, 4:41 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene49 min
Apr 29, 6:19 PM CDTAreal Flood WarningMOBGeorge12 hr
Apr 28, 9:30 PM CDTSevere Thunderstorm WarningMOBChoctaw45 min
Apr 28, 11:12 PM CDTTornado WarningMOBClarke, Washington48 min
Apr 28, 11:14 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington61 min
Apr 28, 11:54 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington66 min
Apr 29, 12:38 AM CDTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox67 min
Apr 29, 1:00 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 2 more60 min
Apr 29, 1:21 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Crenshaw, Monroe, Wilcox54 min
Apr 29, 1:35 AM CDTTornado WarningMOBButler, Crenshaw40 min
Apr 29, 1:49 AM CDTSpecial Marine WarningMOB41 min
Apr 29, 2:00 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia60 min
Apr 29, 2:14 AM CDTSevere Thunderstorm WarningMOBButler, Crenshaw46 min
Apr 29, 2:15 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia, Mobile60 min
Apr 29, 2:27 AM CDTSpecial Marine WarningMOB63 min
Apr 29, 2:56 AM CDTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 29, 2:58 AM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw, Escambia62 min
Apr 29, 3:15 AM CDTSevere Thunderstorm WarningMOBBaldwin90 min
Apr 29, 3:29 AM CDTSpecial Marine WarningMOB2 hr
Apr 29, 4:34 AM CDTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 29, 4:35 AM CDTRiver Flood WarningMOBCovington, Escambia4 days
Apr 29, 4:47 AM CDTSpecial Marine WarningMOB118 min
Apr 29, 4:53 AM CDTSpecial Marine WarningMOB67 min
Apr 29, 6:44 AM CDTSpecial Marine WarningMOB91 min
Apr 29, 8:15 AM CDTSpecial Marine WarningMOB90 min
Apr 29, 10:43 AM CDTSpecial Marine WarningMOB92 min
Apr 29, 11:41 AM CDTSpecial Marine WarningMOB94 min
Apr 29, 12:25 PM CDTSpecial Marine WarningMOB95 min
Apr 29, 12:28 PM CDTSpecial Marine WarningMOB92 min
Apr 29, 1:33 PM CDTSpecial Marine WarningMOB57 min
Apr 29, 1:53 PM CDTFlash Flood WarningMOBBaldwin, Mobile3 hr
Apr 29, 2:16 PM CDTSpecial Marine WarningMOB89 min
Apr 29, 2:26 PM CDTSevere Thunderstorm WarningMOBWashington34 min
Apr 29, 2:41 PM CDTSevere Thunderstorm WarningMOBMobile34 min
Apr 29, 2:55 PM CDTSpecial Marine WarningMOB20 min
Apr 29, 2:57 PM CDTSevere Thunderstorm WarningMOBBaldwin48 min
Apr 29, 3:16 PM CDTSpecial Marine WarningMOB59 min
Apr 29, 3:50 PM CDTSpecial Marine WarningMOB25 min
Apr 29, 3:55 PM CDTFlash Flood WarningMOBBaldwin2 hr
Apr 29, 4:13 PM CDTSpecial Marine WarningMOB62 min
Apr 29, 4:15 PM CDTSevere Thunderstorm WarningMOBBaldwin60 min
Apr 29, 5:11 PM CDTSpecial Marine WarningMOB64 min
Apr 29, 5:11 PM CDTSevere Thunderstorm WarningMOBBaldwin64 min
Apr 29, 5:24 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington51 min
Apr 29, 5:50 PM CDTSpecial Marine WarningMOB55 min
Apr 29, 6:18 PM CDTSpecial Marine WarningMOB27 min
Apr 29, 6:41 PM CDTSpecial Marine WarningMOB64 min

Nearby

Flash Flood Warnings in Mississippi, 2014Flash Flood Warnings in Alabama, 2014Every flash flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.