Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 151, NWS Grand Forks, ND

July 25, 2000Otter Tail County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2000, 12:11 AM CDT for Otter Tail County, Minnesota. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jul 25, 2000, 12:11 AM CDT (05:11 UTC)
Expired: Jul 25, 2000, 12:40 AM CDT
In force: 29 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 167 km from the middle of the area, began a volume at 05:15 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

Minneapolis, MN (KMPX), launched 00:00Z, 5.2 hours before the alert went out and 247 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: 414 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1219 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

983 
WUUS53 KFGF 250511
SVRFAR
MNC111-250540-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1211 AM CDT TUE JUL 25 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1240 AM CDT

* AT 1210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF EDWARDS...OR ABOUT 5 MILES
  NORTH OF FERGUS FALLS.  THE THUNDERSTORM WAS NEARLY STATIONARY.

* THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF
  SOUTH CENTRAL OTTER TAIL COUNTY...
  WEST CENTRAL OTTER TAIL COUNTY

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LAT...LON 4646 9607 4623 9600 4628 9551 4664 9561

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 11:43 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	32 min
Jul 25, 12:35 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater	30 min
Jul 25, 12:40 PM CDT	Severe Thunderstorm Warning	FGF	Mahnomen	30 min
Jul 25, 1:17 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay	28 min
Jul 25, 1:48 PM CDT	Severe Thunderstorm Warning	FGF	Hubbard	32 min
Jul 25, 2:37 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	28 min
Jul 25, 3:04 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	31 min
Jul 25, 3:42 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.