Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 441, NWS Norman, OK

August 18, 1997Woods County, Woodward County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 18, 1997, 8:13 PM CDT for Woods County, Woodward County, Oklahoma. It was in force for 47 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: Aug 18, 1997, 8:13 PM CDT (01:13 UTC)
Expired: Aug 18, 1997, 9:00 PM CDT
In force: 47 min
Issued by: NWS Norman, OK
Area: Whole counties

Counties Woods County, OK, Woodward County, OK

What was reported inside it

Time	Report	Where	Remark
Aug 18, 8:50 PM CDT	Thunderstorm Wind 52	Freedom, 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.2 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1058 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.8

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 Aug 18, 4:01 PM CDT, 4 hours 12 minutes earlier.

Area forecast discussion, Aug 18, 4:01 PM CDT, 4 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
330 PM CDT MON AUG 18 1997

EVERYTHING ON TRACK FOR HEAVY RAIN TONIGHT ACROSS NORTH-CENTRAL ZONES
SO WILL GO WITH A FLASH FLOOD WATCH IN THIS AREA AS UPPER WAVE
APPROACHES TONIGHT AND MOISTURE PLUME PERSISTS. WILL NOT INCLUDE
SOUTH-CENTRAL ZONES ATTM AS STORMS HAVE BEGUN TO MOVE A BIT MORE
RAPIDLY  AND THESE STORMS SHOULD DIE OUT WITH SUNSET. IF CONVECTION
FILLS IN ALONG BOUNDARY THIS EVENING...NEXT SHIFT MAY NEED TO ISSUE A
SHORT WATCH FOR THIS EVENING.

FCSTID = 10
OKC   75  89  74  93 /  60  30  20  20
HBR   73  94  73  97 /  30  20  10  20
SPS   73  94  73  97 /  30  20  10  20
GAG   71  90  70  95 /  70  20  20   0
PNC   73  90  72  94 /  90  50  20   0
DUA   75  93  75  96 /  30  20  10  30

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

In the hours before

Local storm report, Aug 18, 3:50 PM CDT, 4 hours 23 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
0350 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0335 PM    SULPHUR                    OK   FLASH FLOODING.
08/18/97   MURRAY                          CHICKASAW NATIONAL RECREATION
                                           AREA. SEVERAL AREAS CLOSED
                                           DUE HIGH WATER.

J

Local storm report, Aug 18, 3:53 PM CDT, 4 hours 20 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
0350 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0335 PM    SULPHUR                    OK   FLASH FLOODING.
08/18/97   MURRAY                          CHICKASAW NATIONAL RECREATION
                                           AREA. SEVERAL AREAS CLOSED
                                           DUE HIGH WATER.
 V
J

Local storm report, Aug 18, 6:35 PM CDT, 1 hour 38 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
635 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

633 PM     3 SW RUSH SPRINGS          OK   70 MPH WIND GUST
08/18/97   GRADY

SC

Local storm report, Aug 18, 6:38 PM CDT, 1 hour 35 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
635 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

633 PM     3 SW RUSH SPRINGS          OK   70 MPH WIND GUST
08/18/97   GRADY

SC

Local storm report, Aug 18, 7:13 PM CDT, 1 hour before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
713 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

710 PM     LAWTON                     OK   1.75 INCH HAIL
08/18/97   COMANCHE                        SEVERAL REPORTS OF GOLFBALL
                                           SIZE HAIL FROM CHANNEL 7 IN
                                           LAWTON.

SC

Local storm report, Aug 18, 8:00 PM CDT, 13 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
800 PM CDT MON AUG 18 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

755 PM     9 W CHEROKEE               OK   WIND DAMAGE
08/18/97   ALFALFA                         NUMEROUS 8-12 INCH TREE LIMBS
                                           DOWN.

SC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 7:03 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Major	42 min
Aug 18, 7:05 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	25 min
Aug 18, 7:44 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey	46 min
Aug 18, 7:44 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	46 min
Aug 18, 7:50 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	40 min
Aug 18, 8:26 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey	49 min
Aug 18, 8:35 PM CDT	Flash Flood Warning	OUN	Blaine, Dewey	3 hr
Aug 18, 9:04 PM CDT	Severe Thunderstorm Warning	OUN	Custer	36 min
Aug 18, 9:14 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	46 min
Aug 18, 9:15 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods	45 min
Aug 18, 9:35 PM CDT	Flash Flood Warning	OUN	Custer	3 hr
Aug 19, 6:14 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	46 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997 Every severe thunderstorm warning in 1997

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.