Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 8, NWS Bismarck, ND

May 2, 20124 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at May 2, 2012, 9:02 PM CDT for 4 counties in North Dakota. It was in force for 58 min. 1 report 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
May 2, 2012, 9:02 PM CDT (02:02 UTC)
Expired
May 2, 2012, 10:00 PM CDT
In force
58 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dickey County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND

The radar

The Aberdeen radar (KABR), 109 km from the middle of the area, began a volume at 02:02 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
May 2, 9:07 PM CDTTSTM WND GST 6025 E Wishek, NDSTRONG THUNDERSTORM WINDS BLEW OVER A BASKETBALL HOOP CEMENTED INTO THE GROUND. REPORT RELAYED BY MEDIA.

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.0 hours before the alert went out and 132 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, Bismarck Municip, ND at 00:00Z on 2012-05-03Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897117136Sfc1 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
2560 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

162 
WUUS53 KBIS 030202
SVRBIS
NDC021-045-047-051-030300-
/O.NEW.KBIS.SV.W.0008.120503T0202Z-120503T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
902 PM CDT WED MAY 2 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN DICKEY COUNTY IN SOUTHEAST NORTH DAKOTA...
  WESTERN LAMOURE COUNTY IN SOUTHEAST NORTH DAKOTA...
  EASTERN LOGAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  EASTERN MCINTOSH COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 1000 PM CDT

* AT 858 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
  THUNDERSTORMS PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 7 MILES SOUTHWEST OF STREETER TO LEHR TO ASHLEY...AND MOVING
  EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FREDONIA...GACKLE...KULM...ALFRED...JUD...EDGELEY...MERRICOURT...
  NORTONVILLE...MONANGO...BERLIN...ADRIAN...DICKEY...GRAND RAPIDS AND
  FULLERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...TAKE SHELTER IN A STURDY
BUILDING...AND STAY AWAY FROM WINDOWS.

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4608 9959 4631 9940 4660 9963 4664 9930
      4663 9851 4643 9831 4603 9848 4595 9918
TIME...MOT...LOC 0201Z 263DEG 32KT 4662 9946 4633 9924
          4610 9934
WIND...HAIL 60MPH 1.00IN

$$

TAEGER/NH
3 follow-up statements
432 
WWUS53 KBIS 030228
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
928 PM CDT WED MAY 2 2012

NDC021-045-047-051-030300-
/O.CON.KBIS.SV.W.0008.000000T0000Z-120503T0300Z/
DICKEY ND-LAMOURE ND-LOGAN ND-MCINTOSH ND-
928 PM CDT WED MAY 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
MCINTOSH...EASTERN LOGAN...WESTERN LAMOURE AND WESTERN DICKEY
COUNTIES UNTIL 1000 PM CDT...

AT 925 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM GACKLE TO KULM TO 13 MILES SOUTH OF KULM...MOVING EAST AT 35
MPH.

LOCATIONS IMPACTED INCLUDE...
  ALFRED...JUD...EDGELEY...MERRICOURT...NORTONVILLE...MONANGO...
  BERLIN...ADRIAN...DICKEY...GRAND RAPIDS AND FULLERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 4597 9903 4662 9935 4663 9851 4643 9831
      4603 9848
TIME...MOT...LOC 0228Z 263DEG 32KT 4665 9911 4636 9889
          4613 9900
WIND...HAIL 60MPH 1.00IN

$$

TAEGER/HEINERT
512 
WWUS53 KBIS 030242
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
942 PM CDT WED MAY 2 2012

NDC047-051-030250-
/O.CAN.KBIS.SV.W.0008.000000T0000Z-120503T0300Z/
LOGAN ND-MCINTOSH ND-
942 PM CDT WED MAY 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCINTOSH AND
EASTERN LOGAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF MCINTOSH AND 
LOGAN COUNTIES...BUT IS STILL AFFECTING DICKEY AND LAMOURE COUNTIES.

LAT...LON 4620 9901 4628 9900 4629 9903 4648 9904
      4636 9834 4603 9848 4598 9894
TIME...MOT...LOC 0240Z 279DEG 36KT 4621 9866

$$

NDC021-045-030300-
/O.CON.KBIS.SV.W.0008.000000T0000Z-120503T0300Z/
DICKEY ND-LAMOURE ND-
942 PM CDT WED MAY 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
LAMOURE AND WESTERN DICKEY COUNTIES UNTIL 1000 PM CDT...

AT 935 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR MERRICOURT...OR 48
MILES SOUTH OF JAMESTOWN...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MONANGO...BERLIN AND FULLERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 4620 9901 4628 9900 4629 9903 4648 9904
      4636 9834 4603 9848 4598 9894
TIME...MOT...LOC 0240Z 279DEG 36KT 4621 9866
WIND...HAIL 60MPH 1.00IN

$$

TAEGER/HEINERT
483 
WWUS53 KBIS 030259
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
959 PM CDT WED MAY 2 2012

NDC021-045-030308-
/O.EXP.KBIS.SV.W.0008.000000T0000Z-120503T0300Z/
DICKEY ND-LAMOURE ND-
959 PM CDT WED MAY 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAMOURE HAS BEEN 
ALLOWED TO EXPIRE...

THE SEVERE THUNDERSTORM WARNING FOR WESTERN DICKEY COUNTY HAS BEEN 
REISSUED.

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 4620 9901 4628 9900 4629 9903 4648 9904
      4636 9834 4603 9848 4598 9894
TIME...MOT...LOC 0258Z 279DEG 36KT 4618 9840

$$

TAEGER/HEINERT

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 7:25 PM CDTSevere Thunderstorm WarningBISEmmons, Morton, Sioux35 min
May 2, 8:09 PM CDTSevere Thunderstorm WarningBISEmmons, Kidder, Logan, McIntosh66 min
May 2, 9:56 PM CDTSevere Thunderstorm WarningBISDickey49 min
May 3, 12:04 AM CDTFrost AdvisoryBISAdams, Billings, Bowman, Burke, Divide, Dunn and 7 more9 hr
May 3, 5:23 AM CDTDense Fog AdvisoryBISBottineau, Burke, Divide, McHenry, Mountrail, Pierce and 2 more5 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2012Every severe thunderstorm warning in 2012

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.