Alert archive / North Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 219, NWS Bismarck, ND

July 19, 2008Williams County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 19, 2008, 1:24 PM CDT for Williams County, North Dakota. It was in force for 66 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: Jul 19, 2008, 1:24 PM CDT (18:24 UTC)
Expired: Jul 19, 2008, 2:30 PM CDT
In force: 66 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

County Williams County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.4 hours before the alert went out and 272 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: 13 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 824 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 19, 3:19 AM CDT, 10 hours 5 minutes earlier.

Area forecast discussion, Jul 19, 3:19 AM CDT, 10 hours 5 minutes before

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Hazardous weather outlook, Jul 19, 4:49 AM CDT, 8 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
449 AM CDT SAT JUL 19 2008

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-201000-
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-
449 AM CDT SAT JUL 19 2008 /349 AM MDT SAT JUL 19 2008/

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

THERE IS A CHANCE OF THUNDERSTORMS TODAY AND TONIGHT. SOME
THUNDERSTORMS MAY BE SEVERE THIS AFTERNOON AND EVENING WITH LARGE
HAIL AND STRONG WINDS THE MAIN THREATS. THE BEST CHANCE LOOKS TO
BE ACROSS THE NORTHWEST EARLY THIS AFTERNOON...THEN EXPANDING
SOUTH AND EAST THROUGH THE REMAINDER OF THE AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

CHANCES FOR THUNDERSTORMS RETURN TUESDAY AND WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

NH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 7:24 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger	66 min
Jul 19, 1:56 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	64 min
Jul 19, 2:59 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	61 min
Jul 19, 3:56 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, Mountrail	64 min
Jul 19, 4:10 PM CDT	Tornado Warning	BIS	Dunn, McKenzie, Mountrail	35 min
Jul 19, 4:45 PM CDT	Tornado Warning	BIS	Dunn	30 min
Jul 19, 5:17 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	43 min
Jul 19, 5:38 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	52 min
Jul 19, 5:52 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	38 min
Jul 19, 6:18 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Oliver	42 min
Jul 19, 6:29 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	31 min
Jul 19, 6:52 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	53 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2008 Every 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.