Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 191, NWS Twin Cities, MN

July 27, 2002Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 27, 2002, 1:15 PM CDT for Morrison County, Minnesota. It was in force for 30 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 27, 2002, 1:15 PM CDT (18:15 UTC)
Expired: Jul 27, 2002, 1:45 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 18:18 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
Jul 27, 12:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.3 hours before the alert went out and 133 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: 485 J/kg
Mixed-layer CIN: -155 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

354 
WUUS53 KMPX 271815
SVRMSP
MNC097-271845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
115 PM CDT SAT JUL 27 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORRISON COUNTY IN CENTRAL MINNESOTA

* UNTIL 145 PM CDT

* AT 115 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES
  SOUTH OF LASTRUP...OR ABOUT 16 MILES SOUTHEAST OF LITTLE FALLS...
  MOVING EAST AT 35 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  HARDING.
  HILLMAN.
  LASTRUP.

LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER
IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

LAT...LON 4613 9415 4583 9405 4584 9376 4615 9384

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 10:15 AM CDT	Severe Thunderstorm Warning	MPX	Stevens	30 min
Jul 27, 11:20 AM CDT	Severe Thunderstorm Warning	MPX	Pope	40 min
Jul 27, 12:02 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stearns	43 min
Jul 27, 12:25 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	50 min
Jul 27, 12:46 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Stearns	44 min
Jul 27, 12:56 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	49 min
Jul 27, 1:10 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	50 min
Jul 27, 1:30 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Kanabec	45 min
Jul 27, 1:35 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns	40 min
Jul 27, 1:45 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	45 min
Jul 27, 1:58 PM CDT	Severe Thunderstorm Warning	MPX	Wright	47 min
Jul 27, 2:03 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	42 min
Jul 27, 2:17 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	43 min
Jul 27, 3:40 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	50 min
Jul 27, 4:22 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey, Washington	38 min
Jul 27, 6:33 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2002 Every severe thunderstorm warning in 2002

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.