Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 17, NWS Twin Cities, MN

May 17, 2000Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 17, 2000, 12:47 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 58 min. 7 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 17, 2000, 12:47 PM CDT (17:47 UTC)
Expired: May 17, 2000, 1:45 PM CDT
In force: 58 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Blue Earth County, MN, Nicollet County, MN

What was reported inside it

Time	Report	Where	Remark
May 17, 1:00 PM CDT	Hail 1.75	Cambria, MN
May 17, 1:00 PM CDT	Hail 1.75	Courtland, MN	According to the Nicollet County Extension Office, twenty minutes of hail caused damage to 18,000 acres of crops, and 6,000 acres needed to be replanted.
May 17, 1:15 PM CDT	Hail 1.75	Nicollet, MN
May 17, 1:25 PM CDT	Hail 1	Mankato, MN
May 17, 1:31 PM CDT	Hail 1.75	Lake Crystal, MN
May 17, 1:40 PM CDT	Hail 0.75	Garden City, MN
May 17, 1:55 PM CDT	Hail 0.75	Garden City, 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, 5.8 hours before the alert went out and 85 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 994 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 134 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.

581 
WUUS53 KMPX 171751
SVRMSP
MNC013-103-171845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1247 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 145 PM CDT

* AT 1247 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 9 MILES
  SOUTHWEST OF COURTLAND...OR ABOUT 8 MILES SOUTH OF NEW ULM...MOVING
  EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  NICOLLET
  COURTLAND
  MANKATO
  LAKE CRYSTAL
  KLOSSNER
  NORTH MANKATO

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

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND 
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 10:31 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn	29 min
May 17, 11:36 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	54 min
May 17, 12:22 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	68 min
May 17, 1:06 PM CDT	Severe Thunderstorm Warning	MPX	Watonwan	39 min
May 17, 1:28 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur	62 min
May 17, 1:46 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth	39 min
May 17, 2:12 PM CDT	Severe Thunderstorm Warning	MPX	Rice	48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.