Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 421, NWS Norman, OK

July 16, 1992Ellis County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 16, 1992, 12:07 AM CDT for Ellis County, Oklahoma. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 16, 1992, 12:07 AM CDT (05:07 UTC)
Expired
Jul 16, 1992, 1:00 AM CDT
In force
53 min
Issued by
NWS Norman, OK
Area
Whole counties

County Ellis County, OK

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 5.1 hours before the alert went out and 173 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 1992-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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, Dodge City, at 00:00Z on 1992-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939Sfc1 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
20 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1741 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 15, 9:47 PM CDT, 2 hours 20 minutes earlier.

Area forecast discussion, Jul 15, 9:47 PM CDT, 2 hours 20 minutes before
STATE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY, OK
920 PM CDT WED JUL 15 1992

TSTMS WHICH WKND OVR NWRN OK HV INTNSFD OVR ERN TX PNHNDL AND HV
CONTD MOVG EWD INTO NWRN PTNS. OTHER CELLS HV DVLPD OVR SERN OK
DURG PAST HOUR AND WITH LOOK AT EVE SNDG...BLV THAT ACTVTY CD DVLP
FM MID LVLS ABOUT ANYWHERE IN STATE. PREV FCST HAD MENTION OF TSTMS MOST
SXNS TNGT THROUGH FRI...WHICH APRS TO BE RSNBL. MINOR CHGS MADE TO WNDS
WHILE TEMPS APR TO BE OK. CDFNT OVR SWRN KS HAS CONTD SAGGING
SWD...AND WNDSHFT MAY BE INTO NWRN OK A LTL FASTER THAN ERYR
ANTICIPATED...SO MADE CHG TO WNDS BDMG NLY OVR NW. MDLS STILL NOT AVBL
BUT EVE U/A INDCTS S/W JUST WEST OF OKC MOVG EWD...WITH H/8 AND SFC
IN DCTG GOOD CONVRGNC. COORD WITH SPS.

10

.OK...NONE.
.TX...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 10:23 PM CDTSevere Thunderstorm WarningOUNWoods37 min
Jul 15, 10:51 PM CDTSevere Thunderstorm WarningOUNEllis, Harper39 min
Jul 16, 12:02 AM CDTSevere Thunderstorm WarningOUNAlfalfa, Woods43 min
Jul 16, 12:25 AM CDTSevere Thunderstorm WarningOUNRoger Mills50 min
Jul 16, 12:39 AM CDTSevere Thunderstorm WarningOUNAlfalfa51 min
Jul 16, 12:53 AM CDTSevere Thunderstorm WarningOUNGrant67 min
Jul 16, 1:05 AM CDTSevere Thunderstorm WarningOUNDewey, Major55 min
Jul 16, 1:12 AM CDTSevere Thunderstorm WarningOUNBeckham, Roger Mills63 min
Jul 16, 1:43 AM CDTSevere Thunderstorm WarningOUNCuster62 min
Jul 16, 1:58 AM CDTSevere Thunderstorm WarningOUNBlaine, Dewey, Major62 min
Jul 16, 1:58 AM CDTSevere Thunderstorm WarningOUNGarfield, Grant62 min
Jul 16, 2:12 AM CDTSevere Thunderstorm WarningOUNNoble48 min
Jul 16, 2:15 AM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills45 min
Jul 16, 2:34 AM CDTSevere Thunderstorm WarningOUNKay56 min
Jul 16, 3:01 AM CDTSevere Thunderstorm WarningOUNLogan44 min
Jul 16, 3:03 AM CDTSevere Thunderstorm WarningOUNDewey, Ellis57 min
Jul 16, 3:18 AM CDTSevere Thunderstorm WarningOUNKingfisher42 min
Jul 16, 4:14 AM CDTSevere Thunderstorm WarningOUNOklahoma46 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1992Every severe thunderstorm warning in 1992

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.