Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

April 26, 2016Tulsa County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Apr 26, 2016, 1:15 PM CDT for Tulsa County, Oklahoma. It was in force for 45 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
Apr 26, 2016, 1:15 PM CDT (18:15 UTC)
Expired
Apr 26, 2016, 2:00 PM CDT
In force
45 min
Issued by
NWS Tulsa, OK

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 43 km from the middle of the area, began a volume at 18:14 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 12:00Z, 6.3 hours before the alert went out and 167 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, Norman, OK at 12:00Z on 2016-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2872 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, Norman, OK at 12:00Z on 2016-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.19395878Sfc1 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
2872 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted.

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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 Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Apr 26, 12:23 PM CDT, 52 minutes earlier.

Area forecast discussion, Apr 26, 12:23 PM CDT, 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE Tulsa OK
1223 PM CDT TUE APR 26 2016

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Isolated thunderstorms ongoing and spreading into NE OK may pass
near terminal sites over the next few hours...otherwise widespread
low VFR to MVFR ceilings will prevail. Widespread convection
spreads across the region this evening through early Wed morning
with periodic IFR conditions possible. Expect clearing and VFR
later Wed morning.

&&

.PREV DISCUSSION... /ISSUED 1038 AM CDT TUE APR 26 2016/

..UPDATE...

DISCUSSION...
A few thunderstorms have developed this morning over central OK
and they are likely to gradually spread northeastward. Steep lapse
rates will support at least an isolated chance of large hail
potential however these storms are not the primary severe weather
focus for today.

Storms are expected to develop along the dryline from south
central KS into N TX and spread eastward from the evening into the
overnight hours. The preceding environment is strongly unstable
and will become increasingly sheared with time. Severe weather is
expected as the storms pass through eastern OK and eventually into
western AR later tonight. The likelihood of numerous cell mergers
and backed mid level winds may limit the tornadic potential
somewhat...with more favorable winds from late evening into the
overnight hours from SE OK into western AR. By this time more
linear convective segments are likely more typical with sporadic
..yet not zero tornadic...potential.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   83  64  80  52 /  30  80  10   0
FSM   83  65  85  55 /  10  80  30  20
MLC   80  64  82  53 /  20  80  10   0
BVO   83  62  79  49 /  30  80  10   0
FYV   81  62  78  49 /  10  80  30  20
BYV   83  64  80  52 /  10  80  50  20
MKO   81  63  81  52 /  20  80  20   0
MIO   83  63  80  51 /  20  80  20  10
F10   80  63  80  53 /  30  80  10   0
HHW   82  65  83  56 /  20  80  20  10

&&

.TSA Watches/Warnings/Advisories...
OK...NONE.
AR...NONE.
&&

AVIATION...07
Hazardous weather outlook, Apr 26, 11:32 AM CDT, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1132 AM CDT TUE APR 26 2016

ARZ001-002-010-011-019-020-029-OKZ049-053>076-271030-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
1132 AM CDT TUE APR 26 2016

...SEVERE WEATHER EXPECTED TODAY THROUGH TONIGHT...

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT.
TORNADO.
	RISK...ELEVATED.
	AREA...PRIMARILY WEST OF A LINE FROM TULSA TO FORT SMITH.
	ONSET...PRIMARILY EVENING INTO THE OVERNIGHT HOURS.

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...AROUND NOON...INCREASING AFTER SUNSET.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...PRIMARILY SOUTHEAST OKLAHOMA.
	ONSET...OVERNIGHT.

DISCUSSION...
THUNDERSTORMS WILL SPREAD INTO NORTHEAST OKLAHOMA AROUND
NOON AND WILL HAVE A RISK OF HAIL.  THE STRONGER STORMS
WILL FORM ACROSS WESTERN OKLAHOMA AND NORTH TEXAS LATER
THIS AFTERNOON...AND SPREAD EASTWARD DURING THE EVENING
AND OVERNIGHT HOURS.  STRONG INSTABILITY AND INCREASING
WIND SHEAR WILL BE PRESENT AHEAD OF THE LATE DAY STORMS...
WHICH WILL SUPPORT A SIGNIFICANT SEVERE WEATHER RISK
ACROSS THE AREA.  LARGE HAIL AND DAMAGING WINDS WILL
BE POSSIBLE THROUGH THE OVERNIGHT HOURS. THE TORNADIC
POTENTIAL IS EXPECTED TO BE LESS DEFINED AS STORMS
CONGEAL...HOWEVER PORTIONS OF NORTHEAST OKLAHOMA AND ALSO
FAR SOUTHEAST OKLAHOMA INTO WEST CENTRAL ARKANSAS MAY
EVENTUALLY BE THE FOCUS AS WINDS ALOFT INCREASE OVERNIGHT.
SOME TORNADIC POTENTIAL IS LIKELY TO PERSIST THROUGH
THE OVERNIGHT HOURS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
ACTIVATION OF THE REGIONAL SPOTTER NETWORK EXPECTED
AND LIKELY TO BE REQUIRED INTO THE EARLY MORNING
HOURS ON WEDNESDAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL.
THURSDAY...SEVERE THUNDERSTORM POTENTIAL.
FRIDAY AND SATURDAY...SEVERE THUNDERSTORM POTENTIAL...HEAVY
RAIN POTENTIAL.
SUNDAY AND MONDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
THUNDERSTORMS MAY BE ONGOING EARLY WEDNESDAY BEFORE SHIFTING
FURTHER EAST EARLY IN THE DAY.  ADDITIONAL THUNDERSTORM
CHANCES RETURN THURSDAY WITH AN INCREASE IN COVERAGE AND INTENSITY
EXPECTED FRIDAY AND SATURDAY.  SEVERE WEATHER WILL BE POSSIBLE
ALONG WITH AREAS OF FLOODING GIVEN THE EXPECTED RAINFALL.  AN
UNSETTLED PATTERN REMAINS INTO EARLY NEXT WEEK WITH CONTINUED
THUNDERSTORM CHANCES.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Apr 26, 11:18 AM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1118 AM CDT TUE APR 26 2016

OKZ064-065-261715-
OKFUSKEE OK-CREEK OK-
1118 AM CDT TUE APR 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN OKFUSKEE AND CREEK
COUNTIES UNTIL 1215 PM CDT...

AT 1117 AM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER AVERY...MOVING
NORTHEAST AT 20 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BRISTOW...                        DRUMRIGHT...
OILTON...                         DEPEW...
SLICK...                          SHAMROCK...
MILFAY...                         SILVER CITY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 178 AND 199.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3615 9662 3616 9639 3573 9620 3559 9662
TIME...MOT...LOC 1617Z 235DEG 19KT 3588 9673

69
Special weather statement, Apr 26, 12:15 PM CDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1215 PM CDT TUE APR 26 2016

OKZ064-261745-
CREEK OK-
1215 PM CDT TUE APR 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CREEK COUNTY UNTIL
1245 PM CDT...

AT 1215 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES NORTHWEST
OF DEPEW...MOVING NORTHEAST AT 30 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BRISTOW...                        DEPEW...
SHAMROCK...                       MILFAY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 178 AND 205.

LAT...LON 3593 9662 3615 9643 3597 9619 3572 9654
      3578 9662
TIME...MOT...LOC 1715Z 221DEG 25KT 3584 9656

69
Special weather statement, Apr 26, 12:23 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1223 PM CDT TUE APR 26 2016

OKZ064-065-261800-
OKFUSKEE OK-CREEK OK-
1223 PM CDT TUE APR 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN OKFUSKEE AND
SOUTHERN CREEK COUNTIES UNTIL 100 PM CDT...

AT 1223 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTH OF
PADEN...MOVING NORTHEAST AT 40 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BRISTOW...                        BOLEY...
DEPEW...                          PADEN...
SLICK...                          WELTY...
MILFAY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 178 AND 196.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3583 9662 3594 9613 3544 9644 3546 9644
      3546 9647 3543 9650 3543 9652 3546 9654
      3544 9657 3543 9656 3542 9656 3541 9654
      3540 9653 3539 9655 3541 9658 3540 9662
      3564 9663
TIME...MOT...LOC 1723Z 207DEG 36KT 3556 9655

69
Local storm report, Apr 26, 1:08 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
108 PM CDT TUE APR 26 2016

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

1250 PM     HAIL             BRISTOW                 35.83N 96.39W
04/26/2016  E1.00 INCH       CREEK              OK   TRAINED SPOTTER

            HALF INCH TO INCH SIZE HAIL ON EAST SIDE OF BRISTOW.

&&

AEJ
Special weather statement, Apr 26, 1:15 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
115 PM CDT TUE APR 26 2016

OKZ054-055-059-060-064-261900-
CREEK OK-TULSA OK-PAWNEE OK-WASHINGTON OK-OSAGE OK-
115 PM CDT TUE APR 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN OSAGE...SOUTHEASTERN
PAWNEE...SOUTHWESTERN WASHINGTON...NORTHEASTERN CREEK AND CENTRAL
TULSA COUNTIES UNTIL 200 PM CDT...

AT 114 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER KELLYVILLE...
MOVING NORTHEAST AT 45 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
TULSA...                          SAND SPRINGS...
OWASSO...                         SAPULPA...
JENKS...                          SKIATOOK...
CATOOSA...                        COLLINSVILLE...
MANNFORD...                       SPERRY...
KELLYVILLE...                     AVANT...
WESTPORT...                       SLICK...
TURLEY...                         WALNUT CREEK STATE PARK...
KEYSTONE STATE PARK...            GRAY...
WOLCO...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 197 AND 230.

LAT...LON 3638 9581 3618 9581 3578 9627 3613 9645
      3657 9604
TIME...MOT...LOC 1814Z 217DEG 39KT 3596 9622

69

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 11:18 AM CDTSpecial Weather StatementTSACreek57 min
Apr 26, 12:15 PM CDTSpecial Weather StatementTSACreek30 min
Apr 26, 12:23 PM CDTSpecial Weather StatementTSAOkfuskee37 min

Nearby

Special Weather Statements in Oklahoma, 2016Every special weather statement in 2016

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.