Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 98, NWS Tulsa, OK

May 8, 1993Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 1993, 7:10 AM CDT for Osage County, Oklahoma. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
May 8, 1993, 7:10 AM CDT (12:10 UTC)
Expired
May 8, 1993, 8:15 AM CDT
In force
65 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Osage County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 0.2 hours before the alert went out and 181 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 1993-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1606 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, Norman, OK at 12:00Z on 1993-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
1606 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.9

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 3:33 AM CDT, 3 hours 37 minutes earlier.

Area forecast discussion, May 8, 3:33 AM CDT, 3 hours 37 minutes before
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In the hours before

Local storm report, May 8, 1:38 AM CDT, 5 hours 32 minutes before
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Local storm report, May 8, 1:40 AM CDT, 5 hours 30 minutes before
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Local storm report, May 8, 1:57 AM CDT, 5 hours 13 minutes before
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Local storm report, May 8, 1:58 AM CDT, 5 hours 12 minutes before
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Special weather statement, May 8, 4:14 AM CDT, 2 hours 56 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 10:45 PM CDTSevere Thunderstorm WarningTSAOsage60 min
May 7, 11:47 PM CDTSevere Thunderstorm WarningTSAPawnee43 min
May 8, 12:29 AM CDTSevere Thunderstorm WarningTSAOsage31 min
May 8, 12:50 AM CDTSevere Thunderstorm WarningTSANowata, Washington55 min
May 8, 6:35 AM CDTSevere Thunderstorm WarningTSACreek40 min
May 8, 6:52 AM CDTSevere Thunderstorm WarningTSAPawnee38 min
May 8, 10:37 AM CDTSevere Thunderstorm WarningTSAOsage68 min
May 8, 11:39 AM CDTSevere Thunderstorm WarningTSATulsa48 min
May 8, 2:37 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee4 hr
May 8, 6:25 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee, Tulsa6 hr
May 8, 6:25 PM CDTFlash Flood WarningTSACraig, Nowata, Rogers, Washington6 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1993Every severe thunderstorm warning in 1993

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.