Alert archive / Texas / Special Weather Statements in 2015

Special Weather Statement, NWS Norman, OK

November 16, 2015Jackson County, Tillman County, Oklahoma; Baylor County, Knox County, Wilbarger County, Texas

NWS Norman, OK issued this special weather statement at Nov 16, 2015, 11:21 PM CST for Jackson County, Tillman County, Oklahoma; Baylor County, Knox County, Wilbarger County, Texas. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 16, 2015, 11:21 PM CST (05:21 UTC)
Expired: Nov 17, 2015, 12:00 AM CST
In force: 39 min
Issued by: NWS Norman, OK

Counties Jackson County, OK, Tillman County, OK, Baylor County, TX, Knox County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 48 km from the middle of the area, began a volume at 05:24 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.4 hours before the alert went out and 218 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: 193 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 417 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Nov 16, 11:16 PM CST, 5 minutes earlier.

Area forecast discussion, Nov 16, 11:16 PM CST, 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1116 PM CST MON NOV 16 2015

.DISCUSSION...
PLEASE SEE THE 06Z AVIATION DISCUSSION BELOW.

&&

.AVIATION...
STORMS WILL CONTINUE TO MOVE INTO CENTRAL AND SOUTHWESTERN OK, AND
WESTERN NORTH TEXAS OVER THE NEXT COUPLE OF HOURS. VERY HEAVY
RAINFALL AND WIND GUSTS TO AT LEAST 45 KT CAN BE EXPECTED WITH THE
LINE OF STORMS. IN ADDITION, IFR TO LIFR CIGS WILL ALSO IMPACT
MOST OF THE TERMINALS. THE STORMS HAVE NOT MOVED AS FAST AS
INITIALLY ANTICIPATED SO EXPECT TSRA TO END AT ALL TERMINALS
AROUND 11-12Z.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  66  54  64  40 /  40 100  20  10
HOBART OK         69  48  61  39 /  30  80  10  10
WICHITA FALLS TX  70  53  66  43 /  60  90  10  10
GAGE OK           72  44  56  35 /  40  90  10  20
PONCA CITY OK     65  58  65  39 /  50 100  30  20
DURANT OK         66  59  66  45 /  90 100  60  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

99/03/03

Hazardous weather outlook, Nov 16, 9:57 PM CST, 1 hour 24 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
957 PM CST MON NOV 16 2015

OKZ004>048-050>052-TXZ083>090-180400-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
957 PM CST MON NOV 16 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN...
WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH
TEXAS.

.DAY ONE...TONIGHT...

.THUNDERSTORMS...
THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS EVENING AND
OVERNIGHT ACROSS THE WESTERN HALF OF OKLAHOMA AND ALL OF WESTERN
NORTH TEXAS.

LOCATION...
THE ENHANCED RISK IS LOCATED WEST OF A LINE FROM MEDFORD
TO NORMAN TO RINGLING... INCLUDING WESTERN NORTH TEXAS. A SLIGHT
RISK SURROUNDS THE ENHANCED RISK.

TIMING...
STORMS WILL CONTINUE TO MOVE INTO WESTERN OKLAHOMA THROUGH
MIDNIGHT. STORMS WILL DEVELOP INTO A LINE AND MOVE EAST LATE
TONIGHT THROUGH THE EARLY MORNING HOURS... REACHING THE INTERSTATE
35 CORRIDOR AROUND 1 TO 2 AM.

IMPACTS...
DAMAGING WINDS AND HAIL TO THE SIZE OF GOLF BALLS ARE THE PRIMARY
CONCERNS. TORNADOES WILL BE POSSIBLE WITH THE INITIAL STORMS
MOVING INTO WESTERN OKLAHOMA THROUGH MIDNIGHT. THE RISK OF
TORNADOES WILL DECREASE OVERNIGHT AS STORMS MERGE INTO A SQUALL
LINE.

DISCUSSION...
STORMS WILL CONTINUE TO MOVE INTO WESTERN OKLAHOMA AND WESTERN
NORTH TEXAS THROUGH MIDNIGHT AS A STRONG FRONT CONTINUES TO PUSH
ACROSS THE REGION. UNSEASONABLY WARM... MOIST AIR HAS RESULTED IN
SUFFICIENT INSTABILITY... WHICH IS PAIRED WITH VERY STRONG WIND
SHEAR. INITIAL STORMS WILL CONTINUE TO DEVELOP AS SUPERCELLS...
WITH STORMS MERGING INTO A LINE THROUGH MIDNIGHT AS THEY CONTINUE
TO MOVE EASTWARD OVERNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

.THUNDERSTORMS...
SOME SHOWERS AND THUNDERSTORMS MAY LINGER ACROSS EAST CENTRAL
OKLAHOMA THROUGH EARLY TUESDAY MORNING BEHIND THE EXITING COLD
FRONT. NO SEVERE STORMS ARE EXPECTED AND CHANCES WILL END RATHER
QUICKLY AS DRIER... COOLER... MORE STABLE AIR SPREADS ACROSS THE
REGION.

GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW
OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.

KURTZ

In the hours before

Special weather statement, Nov 16, 9:36 PM CST, 1 hour 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
936 PM CST MON NOV 16 2015

OKZ014-021-033-034-036-TXZ083-170415-
HARMON OK-GREER OK-ROGER MILLS OK-BECKHAM OK-JACKSON OK-HARDEMAN TX-
936 PM CST MON NOV 16 2015

...SIGNIFICANT WEATHER ADVISORY FOR HARMON...GREER...SOUTHERN ROGER
MILLS...BECKHAM...SOUTHWESTERN JACKSON AND NORTHWESTERN HARDEMAN
COUNTIES UNTIL 1015 PM CST...

AT 934 PM CST...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM
6 MILES EAST OF TWITTY TO 9 MILES NORTHEAST OF WELLINGTON TO 7 MILES
SOUTHWEST OF KIRKLAND...MOVING NORTHEAST AT 45 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 50 MPH...

LOCATIONS IMPACTED INCLUDE...
ELK CITY...SAYRE...MANGUM...HOLLIS...CHEYENNE...ERICK...ELDORADO...
CARTER...WILLOW...GOULD...SWEETWATER...STRONG CITY...TEXOLA...DUKE...
GOODLETT...VINSON...DELHI...LAZARE...BERLIN AND BRINKMAN.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 0 AND 37.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3546 10000 3577 9948 3521 9939 3448 9950
      3422 9999 3422 10000
TIME...MOT...LOC 0334Z 238DEG 40KT 3531 10012 3491 10005 3430 10014

MAHALE

Local storm report, Nov 16, 9:52 PM CST, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
952 PM CST MON NOV 16 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0946 PM     TSTM WND DMG     5 WNW FORT SUPPLY       36.60N 99.66W
11/16/2015                   HARPER             OK   TRAINED SPOTTER

            FIVE POWERPOLES BROKEN AT THE BASE.

&&

RBARNES

Local storm report, Nov 16, 10:33 PM CST, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1033 PM CST MON NOV 16 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1025 PM     TSTM WND GST     5 SE MANGUM             34.83N 99.44W
11/16/2015  M58 MPH          GREER              OK   MESONET

&&

TLINDLEY

Special weather statement, Nov 16, 10:50 PM CST, 31 minutes before

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Special weather statement, Nov 16, 11:14 PM CST, 7 minutes before

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Special weather statement, Nov 16, 11:21 PM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 8:21 PM CST	Special Weather Statement	OUN	Ellis	24 min
Nov 16, 8:42 PM CST	Tornado Warning	OUN	Ellis	33 min
Nov 16, 9:15 PM CST	Tornado Warning	OUN	Ellis, Harper, Woodward	30 min
Nov 16, 9:36 PM CST	Special Weather Statement	OUN	Beckham, Greer, Harmon	39 min
Nov 16, 9:45 PM CST	Tornado Warning Tornado observed	OUN	Harper, Woods	33 min
Nov 16, 9:55 PM CST	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon, Jackson, Kiowa, Washita	50 min
Nov 16, 9:56 PM CST	Tornado Warning	OUN	Harper	49 min
Nov 16, 10:34 PM CST	Tornado Warning	OUN	Harper	26 min
Nov 16, 10:35 PM CST	Severe Thunderstorm Warning	OUN	Beckham, Custer, Greer, Kiowa, Washita	40 min
Nov 16, 11:14 PM CST	Special Weather Statement	OUN	Washita	46 min
Nov 16, 11:23 PM CST	Special Weather Statement	OUN	Blaine, Dewey, Harper, Major, Woods, Woodward	37 min
Nov 16, 11:25 PM CST	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Custer, Kingfisher, Washita	50 min
Nov 16, 11:48 PM CST	Areal Flood Advisory	OUN	Greer	57 min
Nov 16, 11:59 PM CST	Special Weather Statement	OUN	Alfalfa, Blaine, Major, Woods	31 min
Nov 17, 12:10 AM CST	Severe Thunderstorm Warning	OUN	Alfalfa, Major	35 min
Nov 17, 12:13 AM CST	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Garfield, Kingfisher, Major	47 min
Nov 17, 12:17 AM CST	Special Weather Statement	OUN	Comanche, Cotton, Tillman	43 min
Nov 17, 12:30 AM CST	Severe Thunderstorm Warning	OUN	Garfield, Grant	30 min
Nov 17, 12:34 AM CST	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Grady, Stephens, Tillman	41 min
Nov 17, 12:59 AM CST	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Kingfisher, Logan, Noble and 1 more	46 min
Nov 17, 1:07 AM CST	Severe Thunderstorm Warning	OUN	Cotton	23 min
Nov 17, 1:20 AM CST	Special Weather Statement	OUN	Canadian, Grady, Oklahoma	40 min
Nov 17, 1:25 AM CST	Severe Thunderstorm Warning	OUN	Cotton, Jefferson, Stephens	50 min
Nov 17, 1:45 AM CST	Severe Thunderstorm Warning	OUN	Kay, Lincoln, Logan, Noble, Payne	45 min
Nov 17, 2:09 AM CST	Severe Thunderstorm Warning	OUN	Carter, Cleveland, Garvin, Grady, Jefferson, Love and 3 more	51 min
Nov 17, 2:27 AM CST	Severe Thunderstorm Warning	OUN	Kay	33 min
Nov 17, 2:35 AM CST	Special Weather Statement	OUN	Cleveland, Lincoln, McClain, Oklahoma, Payne, Pottawatomie	25 min
Nov 17, 2:57 AM CST	Special Weather Statement	OUN	Carter, Love, Murray, Pontotoc	48 min
Nov 17, 3:08 AM CST	Wind Advisory	OUN	Greer, Harmon, Jackson, Kiowa, Tillman	15 hr
Nov 17, 4:01 AM CST	Special Weather Statement	OUN	Atoka, Bryan, Coal, Hughes, Johnston, Marshall	44 min
Nov 17, 4:47 AM CST	Special Weather Statement	OUN	Atoka, Bryan, Coal	43 min
Nov 16, 10:50 PM CST	Special Weather Statement	OUN	Foard, Hardeman, Knox, Wilbarger	25 min
Nov 17, 12:45 AM CST	Severe Thunderstorm Warning	OUN	Archer, Clay	45 min

Nearby

Special Weather Statements in Texas, 2015 Special Weather Statements in Oklahoma, 2015 Every special weather statement in 2015

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; radar from the NEXRAD Level II archive.