Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 202, NWS Twin Cities, MN

July 27, 2002Faribault County, Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 27, 2002, 6:33 PM CDT for Faribault County, Freeborn County, Minnesota. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 27, 2002, 6:33 PM CDT (23:33 UTC)
Expired: Jul 27, 2002, 7:15 PM CDT
In force: 42 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Faribault County, MN, Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 136 km from the middle of the area, began a volume at 23:34 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.

What was reported inside it

Time	Report	Where	Remark
Jul 27, 7:00 PM CDT	Thunderstorm Wind 52 M	Albert Lea, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.6 hours before the alert went out and 136 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.

291 
WUUS53 KMPX 272333
SVRMSP
MNC043-047-280015-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 715 PM CDT

* AT 631 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS 3 MILES WEST OF CONGER...OR ABOUT 11 MILES
  WEST OF ALBERT LEA...MOVING EAST AT 15 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  CONGER
  ALDEN
  ALBERT LEA.

LAT...LON 4364 9388 4353 9380 4355 9308 4379 9311

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, 1:15 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	30 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

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.