Alert archive / North Dakota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 294, NWS Bismarck, ND

August 24, 2006McLean County, Mercer County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 24, 2006, 9:31 AM CDT for McLean County, Mercer County, North Dakota. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 24, 2006, 9:31 AM CDT (14:31 UTC)
Expired: Aug 24, 2006, 10:30 AM CDT
In force: 59 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

Counties McLean County, ND, Mercer County, ND

The radar

The Bismarck radar (KBIS), 98 km from the middle of the area, began a volume at 14:34 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.

Issued	Product	Office	Lasted
Aug 24, 4:42 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 2.5 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2789 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 568 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 24, 9:08 AM CDT, 23 minutes earlier.

Area forecast discussion, Aug 24, 9:08 AM CDT, 23 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
908 AM CDT THU AUG 24 2006

.UPDATE...
BASED ON A QUICK LOOK AT QPF PROGS AND CURRENT RADAR TRENDS HAVE
POSTED A FLASH FLOOD WATCH FOR TODAY IN THE NORTHWEST AND CENTRAL.

&&

.BIS WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH UNTIL 4 PM CDT /3 PM MDT/ THIS AFTERNOON FOR
NDZ001-NDZ002-NDZ003-NDZ004-NDZ005-NDZ009-NDZ010-NDZ011-NDZ012-
NDZ013-NDZ017-NDZ018-NDZ019-NDZ020-NDZ021-NDZ022-NDZ023-NDZ025-
NDZ034-NDZ035-NDZ036-NDZ037-NDZ047-NDZ048-NDZ050-NDZ051.

&&

LEBLANG

Hazardous weather outlook, Aug 24, 4:22 AM CDT, 5 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
422 AM CDT THU AUG 24 2006

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-250930-
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-
FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER-
STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN-
LA MOURE-MCINTOSH-DICKEY-
422 AM CDT THU AUG 24 2006 /322 AM MDT THU AUG 24 2006/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH
DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL SPREAD FROM WESTERN INTO CENTRAL NORTH DAKOTA
TODAY...THEN END FROM THE WEST TONIGHT. SOME OF THE THUNDERSTORMS
COULD BE SEVERE WITH HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND EARLY TONIGHT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 7:42 PM CDT	Severe Thunderstorm Warning	BIS	Stark	36 min
Aug 23, 8:53 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn	67 min
Aug 23, 11:22 PM CDT	Severe Thunderstorm Warning	BIS	Morton	41 min
Aug 24, 3:52 AM CDT	Severe Thunderstorm Warning	BIS	Williams	28 min
Aug 24, 6:03 AM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	57 min
Aug 24, 6:56 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	64 min
Aug 24, 7:31 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	59 min
Aug 24, 7:50 AM CDT	Tornado Warning	BIS	Mercer	25 min
Aug 24, 7:58 AM CDT	Severe Thunderstorm Warning	BIS	Dunn	32 min
Aug 24, 8:27 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer	63 min
Aug 24, 8:49 AM CDT	Flash Flood Watch	BIS	Bottineau, Burke, Burleigh, Dickey, Divide, Dunn and 17 more	7 hr
Aug 24, 9:43 AM CDT	Tornado Warning	BIS	Mercer	32 min
Aug 24, 10:12 AM CDT	Severe Thunderstorm Warning	BIS	McKenzie	63 min
Aug 24, 10:13 AM CDT	Tornado Warning	BIS	McLean, Mercer, Oliver	47 min
Aug 24, 11:00 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Oliver	45 min
Aug 24, 11:10 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	65 min
Aug 24, 11:19 AM CDT	Severe Thunderstorm Warning	BIS	McKenzie	56 min
Aug 24, 11:30 AM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	60 min
Aug 24, 12:13 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mercer, Morton, Mountrail and 1 more	62 min
Aug 24, 12:29 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	61 min
Aug 24, 1:01 PM CDT	Severe Thunderstorm Warning	BIS	Grant, McLean, Mercer, Morton, Oliver	44 min
Aug 24, 1:03 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	27 min
Aug 24, 1:11 PM CDT	Tornado Warning	BIS	Morton	34 min
Aug 24, 1:22 PM CDT	Tornado Warning	BIS	Burleigh	38 min
Aug 24, 1:36 PM CDT	Tornado Warning	BIS	Emmons	24 min
Aug 24, 1:40 PM CDT	Tornado Warning	BIS	McLean	35 min
Aug 24, 1:48 PM CDT	Severe Thunderstorm Warning	BIS	Grant, McLean, Mercer, Morton, Oliver	57 min
Aug 24, 1:50 PM CDT	Flash Flood Warning	BIS	Mercer	3 hr
Aug 24, 1:58 PM CDT	Tornado Warning	BIS	Burleigh, Emmons, Kidder	32 min
Aug 24, 2:12 PM CDT	Flash Flood Warning	BIS	Burleigh, Morton	3 hr
Aug 24, 2:13 PM CDT	Tornado Warning	BIS	McLean	32 min
Aug 24, 2:17 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, McLean, Morton, Oliver, Sheridan	58 min
Aug 24, 2:31 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	44 min
Aug 24, 2:46 PM CDT	Tornado Warning	BIS	McLean	29 min
Aug 24, 2:47 PM CDT	Tornado Warning	BIS	Kidder	28 min
Aug 24, 2:47 PM CDT	Tornado Warning	BIS	Ward	28 min
Aug 24, 3:08 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	52 min
Aug 24, 3:16 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	59 min
Aug 24, 3:22 PM CDT	Flash Flood Warning	BIS	Kidder	3 hr
Aug 24, 3:38 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	67 min
Aug 24, 3:39 PM CDT	Tornado Warning	BIS	Sioux	36 min
Aug 24, 3:47 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons	58 min
Aug 24, 4:18 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	57 min
Aug 24, 4:30 PM CDT	Severe Thunderstorm Warning	BIS	Logan	49 min
Aug 24, 4:44 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	61 min
Aug 24, 4:57 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	63 min
Aug 24, 5:04 PM CDT	Severe Thunderstorm Warning	BIS	Logan	56 min
Aug 24, 5:26 PM CDT	Flash Flood Warning	BIS	McHenry, Ward	3 hr
Aug 24, 5:40 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	65 min
Aug 24, 6:55 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	57 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2006 Every severe thunderstorm warning in 2006

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.