Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 113, NWS Norman, OK

April 11, 1994Harmon County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 11, 1994, 12:03 AM CDT for Harmon County, Oklahoma. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Apr 11, 1994, 12:03 AM CDT (05:03 UTC)
Expired
Apr 11, 1994, 12:45 AM CDT
In force
42 min
Issued by
NWS Norman, OK
Area
Whole counties

County Harmon County, OK

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.1 hours before the alert went out and 177 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, Amarillo Airport, TX at 00:00Z on 1994-04-11Temperature 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, Amarillo Airport, TX at 00:00Z on 1994-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 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
606 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
307 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 10, 3:58 PM CDT, 8 hours 5 minutes earlier.

Area forecast discussion, Apr 10, 3:58 PM CDT, 8 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OKLAHOMA
354 PM CDT SUN APR 10 1994

FNT HAD PUSHED TO NR SEMINOLE TO WAURIKA LN BY LETE THIS AFTERNOON AND
LFTG OF THE MOIST AND UNSTBL SLY FLO OVR THE SHALLOW COOL AIR HAS
PRODUCED NRMS HAIL STORMS WHICH ARE NOW MOVG NEWD FM THE NERN CORNER OF
THE FA. MAIN UPR SYSM STILL WELL TO THE WEST AND WL NOT BE AFFECTING OK
TIL LATER TNGT...SVR STILL PSBL LATER TNGT MAINLY IN WRN SECTOR AND JUST
BEHIND THE FNTL ZONE.  AS SLOW MOVG UPR LO WALLOWS ACRS TMRW SOME LCLY
HVY RAINS PSBL...ERN PTN OF THE AREA WL HV TO BE WATCHED SPCLY CLOSELY
FOR HVY RAIN.

FCSTID=12
HBR   47  60  42  59 / 60  50  30  10
OKC   50  62  45  60 / 70  60  40  10
SPS   53  67  47  64 / 40  40  20  10
GAG   40  58  37  52 / 40  60  30  10
PNC   48  60  44  56 / 80  70  50  10
DUA   64  73  49  64 / 50  70  50  10

.OKC...NONE.
.TX...NONE.

In the hours before

Local storm report, Apr 10, 6:39 PM CDT, 5 hours 24 minutes before
LOCAL STORM REPORT....................DELAYED REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
637 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

200 AM/9TH          WORODWARD           SHINGLES BLOWN OFF A HOUSE AND
                                       3-INCH DIAMETER TREE LIMBS DOWN 7
                                       MILES EAST AND 2 MILES SOUTH OF
                                       SELMAN

MEG
Local storm report, Apr 10, 10:23 PM CDT, 1 hour 40 minutes before
LOCAL STORM REPORT....................DELAYED REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1030 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

910 PM/10TH         FOARD                NICKEL SIZE HAIL IN CROWELL.

920 PM/10TH         WILBARGER            DIME SIZE HAIL 3W LOCKETT.

925 PM/10TH         HARDERMAN            DIME SIZE HAIL 8S CHILLICOTHE.

950 PM/10TH         HARDEMAN             DIME SIZE HAI(L IN CHILLICOTHE.

1015PM/10TH         JACKSON              11/2 INCH HAIL SOUTH OF ALTUS.

1022PM/10TH         JACKSON              11/2-2 INCH HAIL IN ALTUS.

ALA
Local storm report, Apr 10, 10:43 PM CDT, 1 hour 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1045 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

955 PM/10TH         S. KIOWA             DIME SIZE HAIL 1W SADDLE
                                         MOUNTAIN.
1015 PM/10TH        NW COMANCHE          DIME SIZE HAIL 13 1/2 MILES
                                         3 1/2 N OF INDIAHOMA.
ALA
Local storm report, Apr 10, 10:45 PM CDT, 1 hour 18 minutes before
LOCAL STORM REPORT .....CORRECTION.....
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1045 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

955 PM/10TH         S. KIOWA             DIME SIZE HAIL 1W SADDLE
                                         MOUNTAIN.
1015 PM/10TH        NW COMANCHE          DIME SIZE HAIL 13 1/2 MILES N
                                         3 1/2 N OF INDIAHOMA.
ALA
Local storm report, Apr 10, 11:24 PM CDT, 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1125 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

1105 PM/10TH        KIOWA                GOLFBALL SIZE HAIL 7E OF
                                         MOUNTAIN VEIW.

1105 PM/10TH        W CADDO              DIME TO GOLFBALL SIZE HAIL JUST
                                         WEST OF CARNEGIE.

1115 PM/10TH        JACKSON              3/4 INCH HAIL IN OLUSTEE.

1118 PM/10TH        JACKSON              DIME SIZE HAIL IN ALTUS.

1122 PM/10TH        JACKSON              21/4 INCH HAIL IN ALTUS.

ALA
Local storm report, Apr 10, 11:55 PM CDT, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1155 PM CDT SUN APR 10 1994

TIME/DATE           COUNTY               LOCATION/EVENT

1130 PM/10TH        JACKSON              DIME SIZE HAIL 2 MILES
                                         EAST OF ALTUS.

1140 PM/10TH        JACKSON              QUARTER SIZE HAIL IN HEADRICK.

1145 PM/10TH        JACKSON              GOLFBALL SIZE HAIL JUST EAST
                                         OF HEADRICK.

1138 PM/10TH        N. LOGAN             DIME SIZE HAIL IN CRESENT.

1150 PM/10TH        KIOWA                GOLFBALL SIZE HAIL IN SNYDER.

ALA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 9:15 PM CDTSevere Thunderstorm WarningOUNKiowa45 min
Apr 10, 9:49 PM CDTSevere Thunderstorm WarningOUNComanche, Kiowa41 min
Apr 10, 10:00 PM CDTSevere Thunderstorm WarningOUNJackson45 min
Apr 10, 10:30 PM CDTSevere Thunderstorm WarningOUNKiowa45 min
Apr 10, 10:40 PM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher50 min
Apr 10, 10:45 PM CDTSevere Thunderstorm WarningOUNJackson45 min
Apr 10, 10:57 PM CDTSevere Thunderstorm WarningOUNCaddo48 min
Apr 10, 11:23 PM CDTSevere Thunderstorm WarningOUNNoble37 min
Apr 10, 11:25 PM CDTSevere Thunderstorm WarningOUNJackson50 min
Apr 10, 11:31 PM CDTSevere Thunderstorm WarningOUNLogan44 min
Apr 10, 11:42 PM CDTSevere Thunderstorm WarningOUNKiowa48 min
Apr 10, 11:44 PM CDTSevere Thunderstorm WarningOUNBeckham46 min
Apr 10, 11:58 PM CDTSevere Thunderstorm WarningOUNCanadian47 min
Apr 11, 12:15 AM CDTSevere Thunderstorm WarningOUNNoble45 min
Apr 11, 12:27 AM CDTSevere Thunderstorm WarningOUNKiowa48 min
Apr 11, 12:30 AM CDTSevere Thunderstorm WarningOUNGreer45 min
Apr 11, 12:41 AM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher49 min
Apr 11, 12:54 AM CDTSevere Thunderstorm WarningOUNWashita51 min
Apr 11, 1:08 AM CDTSevere Thunderstorm WarningOUNBeckham52 min
Apr 11, 1:25 AM CDTFlash Flood WarningOUNCanadian, Kingfisher, Logan3 hr
Apr 11, 1:30 AM CDTSevere Thunderstorm WarningOUNKingfisher45 min
Apr 11, 1:49 AM CDTSevere Thunderstorm WarningOUNGreer41 min
Apr 11, 1:49 AM CDTSevere Thunderstorm WarningOUNLogan41 min
Apr 11, 1:52 AM CDTSevere Thunderstorm WarningOUNHarmon53 min
Apr 11, 1:56 AM CDTSevere Thunderstorm WarningOUNGarfield, Noble49 min
Apr 11, 1:58 AM CDTSevere Thunderstorm WarningOUNKiowa47 min
Apr 11, 2:15 AM CDTSevere Thunderstorm WarningOUNWashita45 min
Apr 11, 3:08 AM CDTSevere Thunderstorm WarningOUNCaddo, Canadian52 min
Apr 11, 3:47 AM CDTSevere Thunderstorm WarningOUNLogan, Oklahoma43 min
Apr 11, 4:20 AM CDTFlash Flood WarningOUNCanadian, Kingfisher, Logan3 hr
Apr 11, 4:27 AM CDTSevere Thunderstorm WarningOUNLogan, Payne48 min
Apr 11, 5:50 AM CDTSevere Thunderstorm WarningOUNLogan, Oklahoma25 min
Apr 11, 5:54 AM CDTSevere Thunderstorm WarningOUNTillman36 min
Apr 11, 6:19 AM CDTSevere Thunderstorm WarningOUNKiowa41 min
Apr 11, 6:24 AM CDTSevere Thunderstorm WarningOUNGarvin51 min
Apr 11, 7:27 AM CDTSevere Thunderstorm WarningOUNHughes, Pontotoc, Seminole48 min
Apr 11, 12:44 PM CDTSevere Thunderstorm WarningOUNPontotoc36 min
Apr 11, 3:50 PM CDTSevere Thunderstorm WarningOUNPushmataha40 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994

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.