Alert archive / Oklahoma / Flash Flood Warnings in 1991

Flash Flood Warning 15, NWS Tulsa, OK

October 28, 1991LeFlore County, Oklahoma; Sebastian County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Oct 28, 1991, 10:42 PM CST for LeFlore County, Oklahoma; Sebastian County, Arkansas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 1991, 10:42 PM CST (04:42 UTC)
Expired
Oct 29, 1991, 1:45 AM CST
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Sebastian County, AR, LeFlore County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 4.7 hours before the alert went out and 215 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, Springfield, MO at 00:00Z on 1991-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 00:00Z on 1991-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 317 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
317 m²/s²
0-3 km storm-relative helicity
321 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.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 28, 7:50 PM CSTFlash Flood WarningTSALeFlore3 hr
Oct 28, 9:44 PM CSTFlash Flood WarningTSASebastian3 hr
Oct 28, 10:42 PM CSTFlash Flood WarningTSACrawford, Franklin, Madison3 hr
Oct 29, 12:20 AM CSTFlash Flood WarningTSAJohnson, Logan3 hr

Nearby

Flash Flood Warnings in Oklahoma, 1991Flash Flood Warnings in Arkansas, 1991Every flash flood warning in 1991

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.