Alert archive / Oklahoma / Flash Flood Warnings in 1999

Flash Flood Warning 8, NWS Amarillo, TX

June 10, 1999Beaver County, Oklahoma

NWS Amarillo, TX issued this flash flood warning at Jun 10, 1999, 3:13 AM CDT for Beaver County, Oklahoma. 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 counties it named.

The facts

Issued
Jun 10, 1999, 3:13 AM CDT (08:13 UTC)
Expired
Jun 10, 1999, 6:00 AM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 121 km from the middle of the area, began a volume at 08:12 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

Dodge City, (KDDC), launched 00:00Z, 8.2 hours before the alert went out and 124 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, Dodge City, at 00:00Z on 1999-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2355 joules per kilogram.LCLEL10008507005003002001001 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, Dodge City, at 00:00Z on 1999-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
2355 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1797 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

NWS Amarillo, TX wrote its last area forecast discussion before this flash flood warning went out at Jun 9, 9:51 PM CDT, 5 hours 22 minutes earlier.

Area forecast discussion, Jun 9, 9:51 PM CDT, 5 hours 22 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 4:05 PM CDTSevere Thunderstorm WarningAMADonley55 min
Jun 10, 4:40 PM CDTSevere Thunderstorm WarningAMAOldham50 min
Jun 10, 5:04 PM CDTTornado WarningAMAOldham41 min
Jun 10, 5:41 PM CDTSevere Thunderstorm WarningAMAOldham49 min
Jun 10, 5:54 PM CDTSevere Thunderstorm WarningAMAPotter, Randall36 min
Jun 10, 6:28 PM CDTSevere Thunderstorm WarningAMAPotter, Randall62 min
Jun 10, 6:46 PM CDTTornado WarningAMARandall44 min
Jun 9, 11:01 PM CDTSevere Thunderstorm WarningAMABeaver59 min
Jun 10, 2:54 AM CDTSevere Thunderstorm WarningAMABeaver66 min
Jun 10, 6:00 AM CDTFlash Flood WarningAMABeaver3 hr
Jun 10, 6:12 PM CDTSevere Thunderstorm WarningAMACimarron48 min

Nearby

Flash Flood Warnings in Oklahoma, 1999Every flash flood warning in 1999

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.