Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 446, NWS Norman, OK

June 16, 2001Woods County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 16, 2001, 9:31 PM CDT for Woods County, Oklahoma. It was in force for 44 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: Jun 16, 2001, 9:31 PM CDT (02:31 UTC)
Expired: Jun 16, 2001, 10:15 PM CDT
In force: 44 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Woods County, OK

The radar

The Vance AFB radar (KVNX), 66 km from the middle of the area, began a volume at 02:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 16, 9:40 PM CDT	Thunderstorm Wind 61 E	Alva, 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

Lamont, OK (KLMN), launched 00:00Z, 2.5 hours before the alert went out and 125 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: 2952 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1667 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.7
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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 3:00 PM CDT, 6 hours 31 minutes earlier.

Area forecast discussion, Jun 16, 3:00 PM CDT, 6 hours 31 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
300 PM CDT SAT JUN 16 2001

QUESTIONS PERSIST ON DEVELOPMENT OF CONVECTION LATE THIS AFTERNOON
AND EVENING...MAINLY ACROSS NORTHWEST AND WEST CENTRAL SECTIONS OF
OKLAHOMA. LINE OF TOWERS DEVELOPING ALONG DRYLINE ACROSS SOUTHWEST
KANSAS...INTO EASTERN OKLAHOMA PANHANDLE...DOWN INTO WEST CENTRAL
TEXAS PANHANDLE. FURTHER TO THE SOUTH AND EAST...MESOSCALE
CONFLUENCE/CONVERGENCE AXIS IS HELPING WITH THE DEVELOPMENT OF SOME
ELEVATED TCU ACROSS CENTRAL OKLAHOMA. DO NOT THINK ANYTHING WILL
COME OF MENTIONED TCU FIELD IN CENTRAL PORTIONS OF THE STATE...BUT
WILL MONITOR UNTIL ISSUANCE TIME. BASED ON OBSERVATIONS AND LATEST
ETA-KF...POPS MAY BE REQUIRED ACROSS WEST/NORTHWEST OKLAHOMA FOR
POTENTIAL ACTIVITY NEAR DRYLINE.

AFTER TONIGHT...WILL LEAVE POPS NIL UNTIL WEDNESDAY...WHEN SURFACE
BOUNDARY ACROSS KANSAS BEGINS TO NUDGE CLOSER TO AREA. ALSO...
MID/UPPER LEVEL FLOW BECOMES MORE NORTHWESTERLY. THURSDAY THRU
SATURDAY...PATTERN BECOMES FAVORABLE FOR HIGH PLAINS/LEE SLOPE
CONVECTION TO DEVELOP INTO CONVECTIVE COMPLEX AND TRAVEL INTO
WESTERN/CENTRAL PORTIONS OF OKLAHOMA AT NIGHT...LINGERING INTO THE
NEXT MORNING ACROSS THE SOUTH. FRONTAL BOUNDARY STILL EXPECTED TO
MOVE INTO AND ACROSS THE AREA WEDNESDAY AND THURSDANY...TEMPS AOB
SEASONAL NORMS ACROSS MUCH OF THE AREA FOR A FEW DAYS.

FCSTID = 11
OKC   69  93  70  94 /   0   0   0   0
HBR   69  96  70  97 /  20   0   0   0
SPS   70  96  70  97 /   0   0   0   0
GAG   68  96  69  97 /  30   0   0   0
PNC   69  95  70  97 /  10   0   0   0
DUA   67  93  70  94 /   0   0   0   0

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

In the hours before

Local storm report, Jun 16, 7:28 PM CDT, 2 hours 3 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
728 PM CDT SAT JUN 16 2001

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

0725 PM    1 WSW PLAINVIEW           OK   .88 INCH HAIL
06/16/01   WOODS                          PUBLIC REPORT

KT

Local storm report, Jun 16, 7:48 PM CDT, 1 hour 43 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
748 PM CDT SAT JUN 16 2001

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

0745 PM    23 NNW MOORELAND          OK   1.00 INCH HAIL
06/16/01   WOODWARD                       BROKE SOME WINDOWS ON
                                          HOUSE. RPT BY PUBLIC

CW

Local storm report, Jun 16, 7:51 PM CDT, 1 hour 40 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
751 PM CDT SAT JUN 16 2001

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

0740 PM    1 W BURLINGTON            OK   .88 INCH HAIL
06/16/01   ALFALFA                        REPORTED BY COUNTY EM

KT

Local storm report, Jun 16, 8:17 PM CDT, 1 hour 14 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
817 PM CDT SAT JUN 16 2001

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

0815 PM    17 N MOORELAND            OK   .75 INCH HAIL
06/16/01   WOODWARD                       REPORTED BY PUBLIC
                                          AT ALABASTER CAVERNS
                                          STATE PARK

KT

Local storm report, Jun 16, 8:40 PM CDT, 51 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
840 PM CDT SAT JUN 16 2001

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

0805 PM    0.H5 WSW CHEROKEE          OK   61 MPH WIND GUST
06/16/01   ALFALFA                        RECORDED BY OKLAHOMA
                                          MESONET

KT

Local storm report, Jun 16, 9:07 PM CDT, 24 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
907 PM CDT SAT JUN 16 2001

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

0825 PM    18 NNE MOORELAND          OK   1.00 INCH HAIL
06/16/01   WOODWARD                       PUBLIC REPORT

KT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods, Woodward	63 min
Jun 16, 7:40 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	35 min
Jun 16, 8:10 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	65 min
Jun 16, 9:09 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant	51 min
Jun 16, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Major, Woodward	62 min
Jun 16, 10:00 PM CDT	Severe Thunderstorm Warning	OUN	Noble	45 min
Jun 16, 10:10 PM CDT	Severe Thunderstorm Warning	OUN	Major	50 min
Jun 16, 10:39 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	66 min
Jun 16, 11:13 PM CDT	Severe Thunderstorm Warning	OUN	Garfield	32 min
Jun 16, 11:43 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2001 Every severe thunderstorm warning in 2001

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; radar from the NEXRAD Level II archive.