Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 115, NWS Bismarck, ND

August 2, 2000Williams County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 2, 2000, 3:29 PM CDT for Williams County, North Dakota. It was in force for 61 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 2, 2000, 3:29 PM CDT (20:29 UTC)
Expired: Aug 2, 2000, 4:30 PM CDT
In force: 61 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Williams County, ND

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 2, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 8.5 hours before the alert went out and 231 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: 1612 J/kg
Mixed-layer CIN: -252 J/kg
Mixed-layer LCL: 1746 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Aug 2, 2:10 PM CDT, 1 hour 19 minutes before

NDZ001-009-017-022110-

 SPECIAL WEATHER STATEMENT...VALID UNTIL 410 PM CDT...
NATIONAL WEATHER SERVICE  WILLISTON NORTH DAKOTA
210 PM CDT WED AUG 2 2000

AT 210 PM CDT (110 MDT) SCATTERED SHOWERS AND THUNDERSTORMS HAD
ENTERED WESTERN DIVIDE AND NORTHWESTERN WILLIAMS COUNTIES. ADDITIONAL
SHOWERS AND THUNDERSTORMS DEVELOPING IN EASTERN MONTANA CAN BE
EXPECTED TO AFFECT NORTHWESTERN NORTH DAKOTA AS THEY MOVE EASTWARD
THIS AFTERNOON. WHILE MUCH OF THE ACTIVITY WILL REMAIN LIGHT...GUSTY
WINDS...PERIODS OF RAIN...FREQUENT LIGHTNING AND SMALL HAIL ARE
POSSIBLE WITH SOME OF THE STRONGER STORMS.

THOMSON

N

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 2:57 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	63 min
Aug 2, 4:24 PM CDT	Severe Thunderstorm Warning	BIS	Renville, Ward	66 min
Aug 2, 4:46 PM CDT	Tornado Warning	BIS	Renville	34 min
Aug 2, 5:46 PM CDT	Severe Thunderstorm Warning	BIS	Dunn	59 min
Aug 2, 6:45 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	60 min
Aug 2, 6:55 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	50 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000 Every severe thunderstorm warning in 2000

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.