Alert archive / North Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 310, NWS Bismarck, ND

July 30, 2008Adams County, Grant County, Sioux County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 30, 2008, 6:19 PM MDT for Adams County, Grant County, Sioux County, North Dakota. It was in force for 33 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
Jul 30, 2008, 6:19 PM MDT (00:19 UTC)
Expired
Jul 30, 2008, 6:52 PM MDT
In force
33 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

Counties Adams County, ND, Grant County, ND, Sioux County, ND

The radar

The Bismarck radar (KBIS), 124 km from the middle of the area, began a volume at 00:19 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 30, 3:07 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.3 hours before the alert went out and 128 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 2008-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 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, Bismarck Municip, ND at 00:00Z on 2008-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.193958Sfc1 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
1290 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
2037 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KBIS 310019
SVRBIS
NDC001-037-085-310115-
/O.NEW.KBIS.SV.W.0310.080731T0019Z-080731T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
619 PM MDT WED JUL 30 2008

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN GRANT COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  SOUTHWESTERN SIOUX COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  EASTERN ADAMS COUNTY IN SOUTHWEST NORTH DAKOTA...

* UNTIL 715 PM MDT

* AT 606 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED OVER
  EAST CENTRAL ADAMS COUNTY...OR 10 MILES NORTH OF LEMMON...AND
  MOVING EAST AT 24 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL WESTERN SIOUX COUNTY AT 630 PM MDT
  RURAL SOUTHWESTERN SIOUX COUNTY AT 640 PM MDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL...DAMAGING WINDS AND DEADLY LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING AND AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4610 10180 4595 10181 4594 10208 4607 10230
      4619 10225
TIME...MOT...LOC 0014Z 291DEG 21KT 4606 10204

$$

SIMOSKO
3 follow-up statements
000 
WWUS53 KBIS 310028
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
728 PM CDT WED JUL 30 2008

NDC001-037-085-310115-
/O.CON.KBIS.SV.W.0310.000000T0000Z-080731T0115Z/
GRANT ND-ADAMS ND-SIOUX ND-
628 PM MDT WED JUL 30 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR SOUTHWESTERN SIOUX...SOUTHEASTERN ADAMS AND SOUTHWESTERN GRANT
COUNTIES...

AT 624 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED OVER EXTREME WEST CENTRAL SIOUX COUNTY...OR 12 MILES
NORTHEAST OF LEMMON...MOVING EAST AT 24 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHWESTERN SIOUX COUNTY AT 640 PM MDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4594 10208 4600 10214 4610 10201 4610 10180
      4595 10181
TIME...MOT...LOC 0028Z 291DEG 21KT 4603 10193

$$

SIMOSKO
000 
WWUS53 KBIS 310041
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
741 PM CDT WED JUL 30 2008

NDC037-310052-
/O.CAN.KBIS.SV.W.0310.000000T0000Z-080731T0115Z/
GRANT ND-
642 PM MDT WED JUL 30 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GRANT COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4594 10208 4600 10209 4607 10201 4605 10199
      4605 10197 4607 10195 4606 10191 4607 10185
      4604 10185 4603 10181 4595 10181
TIME...MOT...LOC 0042Z 291DEG 21KT 4600 10182

$$

NDC001-085-310115-
/O.CON.KBIS.SV.W.0310.000000T0000Z-080731T0115Z/
ADAMS ND-SIOUX ND-
642 PM MDT WED JUL 30 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR SOUTHWESTERN SIOUX AND SOUTHEASTERN ADAMS COUNTIES...

AT 636 PM MDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70
MPH.  THIS STORM WAS LOCATED OVER SOUTHWESTERN SIOUX COUNTY...OR 15
MILES EAST OF LEMMON...MOVING EAST AT 24 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4594 10208 4600 10209 4607 10201 4605 10199
      4605 10197 4607 10195 4606 10191 4607 10185
      4604 10185 4603 10181 4595 10181
TIME...MOT...LOC 0042Z 291DEG 21KT 4600 10182

$$

SIMOSKO
000 
WWUS53 KBIS 310052
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
752 PM CDT WED JUL 30 2008

NDC001-085-310102-
/O.CAN.KBIS.SV.W.0310.000000T0000Z-080731T0115Z/
ADAMS ND-SIOUX ND-
652 PM MDT WED JUL 30 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SIOUX AND
SOUTHEASTERN ADAMS COUNTIES IS CANCELLED...

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

THE SEVERE THUNDERSTORM HAS WEAKENED AND NO LONGER POSES A
SIGNIFICANT THREAT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4594 10208 4600 10209 4607 10201 4605 10199
      4605 10197 4607 10195 4606 10191 4607 10185
      4604 10185 4603 10181 4595 10181
TIME...MOT...LOC 0052Z 291DEG 21KT 4598 10174

$$

SIMOSKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 6:40 PM MDTSevere Thunderstorm WarningBISDunn50 min
Jul 30, 6:47 PM MDTSevere Thunderstorm WarningBISMcHenry, Ward58 min
Jul 30, 6:59 PM MDTSevere Thunderstorm WarningBISDunn, McKenzie, McLean, Mountrail61 min
Jul 30, 7:27 PM MDTSevere Thunderstorm WarningBISMcLean, Mercer63 min
Jul 30, 7:31 PM MDTSevere Thunderstorm WarningBISMcHenry38 min
Jul 30, 7:39 PM MDTSevere Thunderstorm WarningBISMcLean, Mountrail, Renville, Ward66 min
Jul 30, 7:56 PM MDTAreal Flood AdvisoryBISMcLean, Mountrail, Ward3 hr
Jul 30, 8:22 PM MDTSevere Thunderstorm WarningBISDunn, McKenzie, Mountrail23 min
Jul 30, 8:31 PM MDTSevere Thunderstorm WarningBISMcLean59 min
Jul 30, 8:38 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Morton19 min
Jul 30, 8:45 PM MDTSevere Thunderstorm WarningBISDunn, McLean, Mountrail, Ward60 min
Jul 30, 9:11 PM MDTTornado WarningBISMcLean34 min
Jul 30, 9:36 PM MDTSevere Thunderstorm WarningBISMcLean54 min
Jul 30, 9:44 PM MDTSevere Thunderstorm WarningBISMcLean, Mountrail, Ward40 min
Jul 30, 9:56 PM MDTFlash Flood WarningBISMcLean6 hr
Jul 30, 10:01 PM MDTSevere Thunderstorm WarningBISMcLean, Mercer59 min
Jul 30, 10:17 PM MDTTornado WarningBISMcLean, Mercer, Oliver28 min
Jul 30, 10:19 PM MDTAreal Flood AdvisoryBISMcLean, Mercer, Oliver111 min
Jul 30, 10:38 PM MDTSevere Thunderstorm WarningBISMorton, Oliver67 min
Jul 30, 10:42 PM MDTTornado WarningBISMcLean, Mercer, Oliver33 min
Jul 30, 10:45 PM MDTAreal Flood AdvisoryBISBurleigh, McLean, Morton, Oliver6 hr
Jul 30, 11:00 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton, Oliver60 min
Jul 30, 11:18 PM MDTSevere Thunderstorm WarningBISGrant, Morton57 min
Jul 30, 11:28 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton32 min
Jul 30, 11:46 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Grant, Kidder, Logan, McIntosh and 2 more59 min
Jul 31, 12:48 AM MDTSevere Thunderstorm WarningBISEmmons, Grant, Logan, McIntosh, Morton, Sioux57 min
Jul 31, 1:40 AM MDTSevere Thunderstorm WarningBISDickey, LaMoure, Logan, McIntosh65 min
Jul 31, 2:45 AM MDTSevere Thunderstorm WarningBISDickey26 min
Jul 31, 2:53 PM MDTFire Weather WatchBISBillings, Bowman, Golden Valley, McKenzie, Slope13 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2008Every severe thunderstorm warning in 2008

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.