Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 587, NWS Tulsa, OK

December 3, 1999Creek County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Dec 3, 1999, 11:39 PM CST for Creek County, Oklahoma. It was in force for 51 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 3, 1999, 11:39 PM CST (05:39 UTC)
Expired
Dec 4, 1999, 12:30 AM CST
In force
51 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Creek County, OK

What was reported inside it

TimeReportWhereRemark
Dec 3, 11:39 PM CSTHail 1Slick, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 3, 8:45 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 5.7 hours before the alert went out and 127 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, Lamont, OK at 00:00Z on 1999-12-04Temperature 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, Lamont, OK at 00:00Z on 1999-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1132 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
96 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 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 Dec 3, 8:55 PM CST, 2 hours 44 minutes earlier.

Area forecast discussion, Dec 3, 8:55 PM CST, 2 hours 44 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
855 PM CST FRI DEC 3 1999

UPDATED ZONES TO INCLUDE THE SEVERE THUNDERSTORM WATCH. SEVERE
STORMS DEVELOPED QUaICKLY OVER FAR NORTHEAST OK AND HAVE PRODUCED
DIME TO QUARTER SIZE HAIL.

GENERAL FORECAST LOOKS OKAY AND WILL NOT MAKE ANY CHANGES AT THIS
TIME.

FCSTID = 02

.TUL...
AR...NONE.
OK...NONE.

ABBAS

E

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 3, 8:00 PM CSTSevere Thunderstorm WarningTSAMayes45 min
Dec 3, 8:02 PM CSTSevere Thunderstorm WarningTSADelaware28 min
Dec 3, 8:05 PM CSTSevere Thunderstorm WarningTSAOttawa40 min
Dec 3, 8:11 PM CSTSevere Thunderstorm WarningTSADelaware49 min
Dec 3, 8:40 PM CSTSevere Thunderstorm WarningTSANowata, Rogers50 min
Dec 3, 8:44 PM CSTSevere Thunderstorm WarningTSAMayes61 min
Dec 3, 8:44 PM CSTSevere Thunderstorm WarningTSAOttawa61 min
Dec 3, 8:50 PM CSTSevere Thunderstorm WarningTSATulsa40 min
Dec 3, 9:08 PM CSTSevere Thunderstorm WarningTSACraig52 min
Dec 3, 9:47 PM CSTSevere Thunderstorm WarningTSAOttawa43 min
Dec 3, 9:54 PM CSTSevere Thunderstorm WarningTSACraig51 min
Dec 3, 10:04 PM CSTTornado WarningTSADelaware, Ottawa41 min
Dec 3, 10:10 PM CSTSevere Thunderstorm WarningTSAOkmulgee50 min
Dec 3, 10:14 PM CSTSevere Thunderstorm WarningTSACreek, Tulsa46 min
Dec 3, 10:43 PM CSTSevere Thunderstorm WarningTSAOsage, Pawnee62 min
Dec 3, 10:56 PM CSTSevere Thunderstorm WarningTSARogers, Tulsa49 min
Dec 3, 11:20 PM CSTSevere Thunderstorm WarningTSACraig55 min
Dec 3, 11:26 PM CSTTornado WarningTSACraig, Mayes, Rogers34 min
Dec 3, 11:29 PM CSTTornado WarningTSATulsa, Wagoner31 min
Dec 3, 11:51 PM CSTTornado WarningTSACraig39 min
Dec 3, 11:57 PM CSTSevere Thunderstorm WarningTSARogers48 min
Dec 4, 12:11 AM CSTSevere Thunderstorm WarningTSAOttawa49 min
Dec 4, 12:14 AM CSTSevere Thunderstorm WarningTSAOsage, Pawnee46 min
Dec 4, 8:11 AM CSTSevere Thunderstorm WarningTSADelaware49 min
Dec 4, 10:18 AM CSTSevere Thunderstorm WarningTSASequoyah42 min
Dec 4, 10:32 AM CSTSevere Thunderstorm WarningTSAAdair, Cherokee43 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1999Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.