Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 13, NWS Fort Worth, TX

April 17, 2017Cooke County, Montague County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 17, 2017, 11:44 AM CDT for Cooke County, Montague County, Texas. 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 outline as issued.

The facts

Issued
Apr 17, 2017, 11:44 AM CDT (16:44 UTC)
Expired
Apr 17, 2017, 2:45 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Cooke County, TX, Montague County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 110 km from the middle of the area, began a volume at 16:44 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

Fort Worth, TX (KFWD), launched 12:00Z, 4.7 hours before the alert went out and 82 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, Fort Worth, TX at 12:00Z on 2017-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 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, Fort Worth, TX at 12:00Z on 2017-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
430 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
940 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

734 
WGUS54 KFWD 171644
FFWFWD
TXC097-337-171945-
/O.NEW.KFWD.FF.W.0013.170417T1644Z-170417T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Fort Worth TX
1144 AM CDT MON APR 17 2017

The National Weather Service in Fort Worth has issued a

* Flash Flood Warning for...
  Southeastern Montague County in north central Texas...
  Southwestern Cooke County in north central Texas...

* Until 245 PM CDT.

* At 1143 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to four inches of rain have 
  already fallen. This rainfall will lead to excessive water runoff 
  and cause flash flooding. Low-lying areas are most vulnerable to 
  rapidly rising water. Some low-water crossings may flood and 
  become impassable.

* Some locations that will experience flooding include...
  Gainesville, Muenster, St. Jo, Lindsay, Sunset and Forestburg. 

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3343 9722 3343 9781 3375 9780 3375 9720

$$

Hernandez

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 3:29 AM CDTSpecial Weather StatementFWDGrayson31 min
Apr 17, 4:02 AM CDTSpecial Weather StatementFWDFannin, Grayson, Lamar28 min
Apr 17, 5:05 AM CDTSpecial Weather StatementFWDCooke25 min
Apr 17, 6:08 AM CDTAreal Flood AdvisoryFWDFannin, Lamar3 hr
Apr 17, 6:19 AM CDTFlash Flood WarningFWDFannin, Lamar5 hr
Apr 17, 6:26 AM CDTSpecial Weather StatementFWDWise34 min
Apr 17, 6:51 AM CDTSpecial Weather StatementFWDCooke24 min
Apr 17, 8:57 AM CDTAreal Flood AdvisoryFWDGrayson2 hr
Apr 17, 9:24 AM CDTSpecial Weather StatementFWDGrayson51 min
Apr 17, 9:48 AM CDTSpecial Weather StatementFWDCooke42 min
Apr 17, 10:15 AM CDTSpecial Weather StatementFWDMontague45 min
Apr 17, 10:20 AM CDTSpecial Weather StatementFWDJack40 min
Apr 17, 10:34 AM CDTSpecial Weather StatementFWDCooke41 min
Apr 17, 10:48 AM CDTAreal Flood AdvisoryFWDCooke, Montague3 hr
Apr 17, 10:49 AM CDTSpecial Weather StatementFWDYoung41 min
Apr 17, 12:03 PM CDTSpecial Weather StatementFWDWise42 min
Apr 17, 12:23 PM CDTSpecial Weather StatementFWDJack, Young37 min
Apr 17, 12:30 PM CDTSevere Thunderstorm WarningFWDJack, Young30 min
Apr 17, 1:00 PM CDTSpecial Weather StatementFWDJack, Wise, Young45 min
Apr 17, 1:51 PM CDTSpecial Weather StatementFWDJack, Wise39 min
Apr 17, 2:02 PM CDTAreal Flood AdvisoryFWDDallas3 hr
Apr 17, 2:04 PM CDTAreal Flood AdvisoryFWDDallas116 min
Apr 17, 2:04 PM CDTSpecial Weather StatementFWDStephens41 min
Apr 17, 2:22 PM CDTSpecial Weather StatementFWDWise23 min
Apr 17, 2:27 PM CDTSpecial Weather StatementFWDParker48 min
Apr 17, 2:48 PM CDTAreal Flood AdvisoryFWDParker, Wise117 min
Apr 17, 3:02 PM CDTFlash Flood WarningFWDDallas3 hr
Apr 17, 3:04 PM CDTSpecial Weather StatementFWDTarrant41 min
Apr 17, 3:42 PM CDTAreal Flood AdvisoryFWDDallas, Tarrant2 hr
Apr 17, 4:16 PM CDTSpecial Weather StatementFWDBosque, Hill44 min
Apr 17, 5:40 PM CDTSpecial Weather StatementFWDNavarro35 min
Apr 17, 5:57 PM CDTAreal Flood AdvisoryFWDEllis, Navarro2 hr
Apr 17, 6:59 PM CDTAreal Flood AdvisoryFWDNavarro2 hr

Nearby

Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017

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.