Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Norman, OK

March 23, 2016Atoka County, Johnston County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 23, 2016, 7:09 PM CDT for Atoka County, Johnston County, Oklahoma. It was in force for 51 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 23, 2016, 7:09 PM CDT (00:09 UTC)
Expired
Mar 23, 2016, 8:00 PM CDT
In force
51 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Atoka County, OK, Johnston County, OK

The radar

The Norman radar (KTLX), 145 km from the middle of the area, began a volume at 00:12 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

TimeReportWhereRemark
Mar 23, 7:10 PM CDTHAIL 1.753 N Tushka, OK
Mar 23, 7:19 PM CDTHAIL 1.75Atoka, OK
Mar 23, 7:22 PM CDTHAIL 1.25Coleman, OK
Mar 23, 7:29 PM CDTHAIL 1.75Coleman, OK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 23, 5:37 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.2 hours before the alert went out and 142 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 00:00Z on 2016-03-24Temperature 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, Norman, OK at 00:00Z on 2016-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897117Sfc1 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
3546 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

378 
WUUS54 KOUN 240009
SVROUN
OKC005-069-240100-
/O.NEW.KOUN.SV.W.0021.160324T0009Z-160324T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
709 PM CDT WED MAR 23 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN JOHNSTON COUNTY IN SOUTHEASTERN OKLAHOMA...
  SOUTHWESTERN ATOKA COUNTY IN SOUTHEASTERN OKLAHOMA...

* UNTIL 800 PM CDT

* AT 708 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MILBURN...
  MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ATOKA...TISHOMINGO...MILBURN...TUSHKA...CANEY...FILLMORE...COLEMAN...BOGGY
  DEPOT PARK AND BENTLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3417 9669 3430 9668 3439 9612 3432 9605
      3421 9604
TIME...MOT...LOC 0008Z 255DEG 35KT 3422 9660 

HAIL...1.00IN
WIND...60MPH
 
$$

MAHALE
2 follow-up statements
296 
WWUS54 KOUN 240023
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
723 PM CDT WED MAR 23 2016

OKC005-069-240100-
/O.CON.KOUN.SV.W.0021.000000T0000Z-160324T0100Z/
JOHNSTON OK-ATOKA OK-
723 PM CDT WED MAR 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN JOHNSTON AND SOUTHWESTERN ATOKA COUNTIES...

AT 723 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COLEMAN...MOVING
EAST AT 45 MPH.

HAZARD...TWO INCH HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT WIND 
         DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ATOKA...TUSHKA...CANEY...FILLMORE...COLEMAN...BOGGY DEPOT PARK AND
BENTLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3418 9653 3433 9652 3439 9612 3432 9605
      3421 9604
TIME...MOT...LOC 0023Z 259DEG 39KT 3429 9641 

HAIL...2.00IN
WIND...60MPH
 
$$

MAHALE
992 
WWUS54 KOUN 240032
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
732 PM CDT WED MAR 23 2016

OKC069-240041-
/O.CAN.KOUN.SV.W.0021.000000T0000Z-160324T0100Z/
JOHNSTON OK-
732 PM CDT WED MAR 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JOHNSTON COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3427 9607 3423 9641 3435 9640 3439 9612
      3432 9605
TIME...MOT...LOC 0031Z 255DEG 35KT 3431 9632 

$$

OKC005-240100-
/O.CON.KOUN.SV.W.0021.000000T0000Z-160324T0100Z/
ATOKA OK-
732 PM CDT WED MAR 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN ATOKA COUNTY...

AT 731 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST OF
COLEMAN...MOVING EAST AT 40 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. STORM SPOTTERS HAD ALSO REPORTED HALF
         DOLLAR SIZE HAIL NORTH OF COLEMAN. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT WIND 
         DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ATOKA...TUSHKA AND BOGGY DEPOT PARK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3427 9607 3423 9641 3435 9640 3439 9612
      3432 9605
TIME...MOT...LOC 0031Z 255DEG 35KT 3431 9632 

HAIL...1.75IN
WIND...60MPH
 
$$

MAHALE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 7:03 PM CDTSpecial Weather StatementOUNLove, Marshall27 min
Mar 23, 7:44 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal46 min
Mar 23, 7:45 PM CDTSevere Thunderstorm WarningOUNBryan, Marshall45 min
Mar 23, 8:13 PM CDTAreal Flood AdvisoryOUNAtoka, Coal, Johnston, Marshall3 hr
Mar 23, 8:20 PM CDTSevere Thunderstorm WarningOUNBryan, Marshall40 min
Mar 23, 8:55 PM CDTSevere Thunderstorm WarningOUNAtoka, Bryan50 min
Mar 23, 9:26 PM CDTSpecial Weather StatementOUNAtoka34 min
Mar 24, 8:39 AM CDTFire Weather WatchOUNAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 17 more19 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.