Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Bismarck, ND

April 2, 2012Logan County, Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Apr 2, 2012, 10:07 AM CDT for Logan County, Stutsman County, North Dakota. 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
Apr 2, 2012, 10:07 AM CDT (15:07 UTC)
Expired
Apr 2, 2012, 10:46 AM CDT
In force
39 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Logan County, ND, Stutsman County, ND

The radar

The Bismarck radar (KBIS), 124 km from the middle of the area, began a volume at 15:09 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 3.1 hours before the alert went out and 120 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 12:00Z on 2012-04-02Temperature 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, Bismarck Municip, ND at 12:00Z on 2012-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
858 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
465 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

149 
WUUS53 KBIS 021507
SVRBIS
NDC047-093-021615-
/O.NEW.KBIS.SV.W.0003.120402T1507Z-120402T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1007 AM CDT MON APR 2 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LOGAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTH CENTRAL STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 1115 AM CDT

* AT 1005 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 12 MILES SOUTHWEST OF GACKLE...OR 40 MILES
  SOUTHWEST OF JAMESTOWN...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

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 4645 9940 4686 9933 4682 9893 4663 9900
      4663 9904 4655 9903 4643 9907
TIME...MOT...LOC 1508Z 205DEG 20KT 4650 9927
WIND...HAIL <50MPH 1.00IN

$$

HAMILTON
2 follow-up statements
513 
WWUS53 KBIS 021519
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1019 AM CDT MON APR 2 2012

NDC047-093-021615-
/O.CON.KBIS.SV.W.0003.000000T0000Z-120402T1615Z/
LOGAN ND-STUTSMAN ND-
1019 AM CDT MON APR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
STUTSMAN AND NORTHEASTERN LOGAN COUNTIES UNTIL 1115 AM CDT...

AT 1018 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 7 MILES SOUTHWEST OF GACKLE...OR 35 MILES SOUTHWEST
OF JAMESTOWN...MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4652 9937 4686 9933 4682 9893 4663 9900
      4663 9904 4655 9903 4649 9910 4647 9926
TIME...MOT...LOC 1519Z 205DEG 20KT 4656 9923
WIND...HAIL <50MPH 1.00IN

$$
HEINERT
945 
WWUS53 KBIS 021546
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1046 AM CDT MON APR 2 2012

NDC047-093-021556-
/O.CAN.KBIS.SV.W.0003.000000T0000Z-120402T1615Z/
LOGAN ND-STUTSMAN ND-
1046 AM CDT MON APR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL STUTSMAN AND
NORTHEASTERN LOGAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF 
THE WARNED AREA. HOWEVER...SMALL HAIL UP TO THE SIZE OF NICKELS IS 
STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4652 9937 4686 9933 4682 9893 4663 9900
      4663 9904 4655 9903 4649 9910 4647 9926
TIME...MOT...LOC 1546Z 205DEG 20KT 4670 9914

$$

HEINERT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 3:01 AM CDTWind AdvisoryBISAdams, Bowman, Burleigh, Dickey, Emmons, Grant and 9 more16 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.