Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Bismarck, ND

March 29, 2012Dickey County, LaMoure County, McIntosh County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Mar 29, 2012, 7:36 AM CDT for Dickey County, LaMoure County, McIntosh County, North Dakota. It was in force for 24 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
Mar 29, 2012, 7:36 AM CDT (12:36 UTC)
Expired
Mar 29, 2012, 8:00 AM CDT
In force
24 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, McIntosh County, ND

The radar

The Aberdeen radar (KABR), 83 km from the middle of the area, began a volume at 12:36 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 29, 7:45 AM CDTHAIL 110 E Ashley, NDHAIL COVERING THE GROUND

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 0.6 hours before the alert went out and 139 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, Aberdeen, SD at 12:00Z on 2012-03-29Temperature 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, Aberdeen, SD at 12:00Z on 2012-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 614 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1306 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
614 m²/s²
0-3 km storm-relative helicity
698 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.

289 
WUUS53 KBIS 291236
SVRBIS
NDC021-045-051-291300-
/O.NEW.KBIS.SV.W.0002.120329T1236Z-120329T1300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
736 AM CDT THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 800 AM CDT

* AT 729 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES NORTH OF LONG LAKE...OR 66 MILES SOUTH OF JAMESTOWN...AND
  MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  KULM...MERRICOURT...MONANGO AND EDGELEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4602 9936 4644 9880 4608 9841 4593 9900
      4593 9925
TIME...MOT...LOC 1236Z 232DEG 38KT 4605 9906
WIND...HAIL 60MPH 1.00IN

$$

TM
2 follow-up statements
199 
WWUS53 KBIS 291253
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
753 AM CDT THU MAR 29 2012

NDC021-045-051-291300-
/O.CON.KBIS.SV.W.0002.000000T0000Z-120329T1300Z/
DICKEY ND-LAMOURE ND-MCINTOSH ND-
753 AM CDT THU MAR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
MCINTOSH...SOUTHWESTERN LAMOURE AND WESTERN DICKEY COUNTIES UNTIL 800
AM CDT...

AT 751 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 10 
MILES NORTHWEST OF SPRING CREEK COLONY...OR 62 MILES SOUTH OF 
JAMESTOWN...MOVING NORTHEAST AT 30 MPH.

IN ADDITION...AT 745 AM CDT HAIL WAS REPORTED 10 MILES EAST OF 
ASHLEY.

LOCATIONS IMPACTED INCLUDE...
  MERRICOURT...KULM...MONANGO AND EDGELEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4599 9919 4613 9916 4644 9880 4608 9841
      4593 9904 4593 9914
TIME...MOT...LOC 1252Z 238DEG 27KT 4604 9898
WIND...HAIL 60MPH 1.00IN

$$

TM
952 
WWUS53 KBIS 291301
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
801 AM CDT THU MAR 29 2012

NDC021-045-051-291311-
/O.EXP.KBIS.SV.W.0002.000000T0000Z-120329T1300Z/
DICKEY ND-LAMOURE ND-MCINTOSH ND-
801 AM CDT THU MAR 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MCINTOSH...
SOUTHWESTERN LAMOURE AND WESTERN DICKEY COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4599 9919 4613 9916 4644 9880 4608 9841
      4593 9904 4593 9914
TIME...MOT...LOC 1253Z 238DEG 27KT 4599 9893

$$

TM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 3:59 AM CDTFire Weather WatchBISAdams, Billings, Bowman, Divide, Dunn, Golden Valley and 5 more24 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.