Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 55, NWS Fort Worth, TX

October 21, 1994Collin County, Dallas County, Rockwall County, Texas

NWS Fort Worth, TX issued this flash flood warning at Oct 21, 1994, 2:42 PM CDT for Collin County, Dallas County, Rockwall County, Texas. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Oct 21, 1994, 2:42 PM CDT (19:42 UTC)
Expired
Oct 21, 1994, 3:45 PM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Collin County, TX, Dallas County, TX, Rockwall County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.7 hours before the alert went out and 67 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 1994-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1590 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 1994-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
1590 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
2.4
Supercell composite
9.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Oct 21, 11:35 AM CDT, 3 hours 7 minutes before
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Special weather statement, Oct 21, 11:36 AM CDT, 3 hours 6 minutes before
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Special weather statement, Oct 21, 12:10 PM CDT, 2 hours 32 minutes before
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Special weather statement, Oct 21, 12:10 PM CDT, 2 hours 32 minutes before
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Special weather statement, Oct 21, 1:42 PM CDT, 1 hour before
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Special weather statement, Oct 21, 1:45 PM CDT, 57 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 7:28 PM CDTSevere Thunderstorm WarningFWDEllis62 min
Oct 20, 7:56 PM CDTFlash Flood WarningFWDEllis3 hr
Oct 20, 9:11 PM CDTSevere Thunderstorm WarningFWDFisher, Jones64 min
Oct 21, 1:40 AM CDTSevere Thunderstorm WarningFWDCooke65 min
Oct 21, 2:31 AM CDTSevere Thunderstorm WarningFWDGrayson59 min
Oct 21, 3:30 AM CDTSevere Thunderstorm WarningFWDFannin, Grayson60 min
Oct 21, 4:54 AM CDTFlash Flood WarningFWDFannin, Grayson4 hr
Oct 21, 6:40 AM CDTSevere Thunderstorm WarningFWDCamp, Morris, Titus65 min
Oct 21, 6:40 AM CDTSevere Thunderstorm WarningFWDUpshur, Wood65 min
Oct 21, 6:48 AM CDTFlash Flood WarningFWDDallas, Denton, Tarrant3 hr
Oct 21, 6:48 AM CDTFlash Flood WarningFWDCollin3 hr
Oct 21, 8:07 AM CDTFlash Flood WarningFWDKaufman, Rockwall4 hr
Oct 21, 8:07 AM CDTFlash Flood WarningFWDRains, Van Zandt4 hr
Oct 21, 8:22 AM CDTFlash Flood WarningFWDWood3 hr
Oct 21, 8:53 AM CDTFlash Flood WarningFWDDallas3 hr
Oct 21, 10:09 AM CDTSevere Thunderstorm WarningFWDHenderson, Kaufman66 min
Oct 21, 1:40 PM CDTFlash Flood WarningFWDCollin, Dallas65 min
Oct 21, 3:28 PM CDTFlash Flood WarningFWDDallas3 hr
Oct 21, 3:40 PM CDTSevere Thunderstorm WarningFWDCollin, Dallas, Rockwall65 min
Oct 21, 4:10 PM CDTTornado WarningFWDDallas65 min
Oct 21, 4:18 PM CDTSevere Thunderstorm WarningFWDJohnson57 min
Oct 21, 4:43 PM CDTSevere Thunderstorm WarningFWDKaufman62 min
Oct 21, 4:59 PM CDTTornado WarningFWDKaufman61 min
Oct 21, 5:10 PM CDTSevere Thunderstorm WarningFWDDallas50 min
Oct 21, 5:22 PM CDTSevere Thunderstorm WarningFWDJohnson, Somervell68 min
Oct 21, 5:25 PM CDTFlash Flood WarningFWDJohnson3 hr
Oct 21, 5:25 PM CDTFlash Flood WarningFWDKaufman3 hr
Oct 21, 5:35 PM CDTSevere Thunderstorm WarningFWDVan Zandt55 min
Oct 21, 5:45 PM CDTTornado WarningFWDKaufman60 min
Oct 21, 5:45 PM CDTTornado WarningFWDKaufman25 min
Oct 21, 6:06 PM CDTSevere Thunderstorm WarningFWDHenderson69 min
Oct 21, 6:10 PM CDTSevere Thunderstorm WarningFWDKaufman65 min
Oct 21, 6:22 PM CDTSevere Thunderstorm WarningFWDHill68 min
Oct 21, 6:25 PM CDTSevere Thunderstorm WarningFWDEllis65 min
Oct 21, 6:30 PM CDTSevere Thunderstorm WarningFWDNavarro60 min
Oct 21, 6:30 PM CDTSevere Thunderstorm WarningFWDVan Zandt60 min
Oct 21, 6:39 PM CDTFlash Flood WarningFWDDallas4 hr

Nearby

Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.