Alert archive / Arkansas / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 41, NWS Tulsa, OK

March 22, 1991Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 22, 1991, 8:07 AM CST for Washington County, Arkansas. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Mar 22, 1991, 8:07 AM CST (14:07 UTC)
Expired
Mar 22, 1991, 9:08 AM CST
In force
61 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, AR

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 2.1 hours before the alert went out and 300 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, Norman, OK at 12:00Z on 1991-03-22Temperature 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, Norman, OK at 12:00Z on 1991-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -255 square meters per square second.1939587897117136Sfc1 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
2453 m above ground
0-6 km bulk shear
112 kt
0-1 km storm-relative helicity
-255 m²/s²
0-3 km storm-relative helicity
144 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
Mar 21, 6:57 PM CSTSevere Thunderstorm WarningTSAHaskell, Muskogee48 min
Mar 21, 7:07 PM CSTTornado WarningTSALeFlore68 min
Mar 21, 7:09 PM CSTTornado WarningTSAHaskell36 min
Mar 21, 7:33 PM CSTSevere Thunderstorm WarningTSALeFlore, Sequoyah57 min
Mar 21, 7:44 PM CSTSevere Thunderstorm WarningTSALeFlore61 min
Mar 21, 8:45 PM CSTSevere Thunderstorm WarningTSALeFlore60 min
Mar 21, 11:36 PM CSTSevere Thunderstorm WarningTSAPittsburg54 min
Mar 22, 12:20 AM CSTSevere Thunderstorm WarningTSASequoyah55 min
Mar 22, 1:12 AM CSTSevere Thunderstorm WarningTSALeFlore63 min
Mar 22, 1:28 AM CSTSevere Thunderstorm WarningTSASequoyah32 min
Mar 22, 3:23 AM CSTSevere Thunderstorm WarningTSAPittsburg52 min
Mar 22, 7:35 AM CSTSevere Thunderstorm WarningTSALatimer40 min
Mar 22, 7:57 AM CSTSevere Thunderstorm WarningTSAHaskell48 min
Mar 22, 8:12 AM CSTSevere Thunderstorm WarningTSALeFlore56 min
Mar 21, 6:47 PM CSTSevere Thunderstorm WarningTSAWashington58 min
Mar 21, 8:06 PM CSTSevere Thunderstorm WarningTSAScott, Sebastian69 min
Mar 21, 8:26 PM CSTSevere Thunderstorm WarningTSACrawford64 min
Mar 21, 8:47 PM CSTSevere Thunderstorm WarningTSAFranklin58 min
Mar 21, 9:03 PM CSTSevere Thunderstorm WarningTSALogan, Polk, Scott, Sebastian57 min
Mar 21, 9:25 PM CSTSevere Thunderstorm WarningTSAJohnson65 min
Mar 21, 9:58 PM CSTSevere Thunderstorm WarningTSAJohnson, Logan62 min
Mar 21, 9:58 PM CSTSevere Thunderstorm WarningTSAPolk, Scott62 min
Mar 22, 12:57 AM CSTSevere Thunderstorm WarningTSACrawford, Washington63 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1991Every severe thunderstorm 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.