Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 64, NWS Twin Cities, MN

June 11, 2001Morrison County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2001, 10:45 AM CDT for Morrison County, Stearns County, Minnesota. It was in force for 45 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued
Jun 11, 2001, 10:45 AM CDT (15:45 UTC)
Expired
Jun 11, 2001, 11:30 AM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Morrison County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 15:45 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

TimeReportWhereRemark
Jun 11, 10:50 AM CDTHail 1Sauk Centre, MN
Jun 11, 11:14 AM CDTHail 1Little Falls, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 9:30 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 3.8 hours before the alert went out and 144 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1636 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
168 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.

000 
WUUS53 KMPX 111546
SVRMSP
MNC097-145-111630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1045 AM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1130 AM CDT

* AT 1045 AM CDT...RADAR INDICATED TWO SEVERE THUNDERSTORMS.  ONE WAS
  8 MILES EAST OF LONG PRAIRIE.  THE OTHER WAS 7 MILES SOUTHWEST OF 
  SAUK CENTRE.  BOTH STORMS WERE MOVING EAST TO NORTHEAST AT 25 MPH.
  LARGE HAIL IS THE MAIN THREAT.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  LITTLE FALLS.
  RANDALL.
  SAUK CENTRE.
  MELROSE.
  ST. ROSA.

THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM
WINDOWS.

LAT...LON 4618 9464 4576 9463 4575 9515 4546 9511
          4556 9446 4617 9395 4632 9445
$$
UTDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 9:48 AM CDTSevere Thunderstorm WarningMPXDouglas42 min
Jun 11, 10:22 AM CDTSevere Thunderstorm WarningMPXTodd53 min
Jun 11, 11:01 AM CDTSevere Thunderstorm WarningMPXDouglas44 min
Jun 11, 11:13 AM CDTSevere Thunderstorm WarningMPXTodd62 min
Jun 11, 12:36 PM CDTSevere Thunderstorm WarningMPXMorrison39 min
Jun 11, 2:05 PM CDTSevere Thunderstorm WarningMPXStevens, Swift40 min
Jun 11, 2:19 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope56 min
Jun 11, 2:19 PM CDTSevere Thunderstorm WarningMPXTodd56 min
Jun 11, 2:42 PM CDTTornado WarningMPXSwift48 min
Jun 11, 2:48 PM CDTTornado WarningMPXTodd32 min
Jun 11, 2:49 PM CDTSevere Thunderstorm WarningMPXMorrison56 min
Jun 11, 3:15 PM CDTSevere Thunderstorm WarningMPXPope45 min
Jun 11, 3:24 PM CDTTornado WarningMPXKandiyohi, Swift36 min
Jun 11, 3:29 PM CDTSevere Thunderstorm WarningMPXBenton31 min
Jun 11, 3:46 PM CDTSevere Thunderstorm WarningMPXMille Lacs44 min
Jun 11, 3:50 PM CDTSevere Thunderstorm WarningMPXSherburne40 min
Jun 11, 3:55 PM CDTTornado WarningMPXKandiyohi, Meeker50 min
Jun 11, 4:00 PM CDTSevere Thunderstorm WarningMPXBenton30 min
Jun 11, 4:03 PM CDTSevere Thunderstorm WarningMPXStearns57 min
Jun 11, 4:05 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec40 min
Jun 11, 4:18 PM CDTSevere Thunderstorm WarningMPXWashington42 min
Jun 11, 4:18 PM CDTSevere Thunderstorm WarningMPXDakota42 min
Jun 11, 4:30 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago45 min
Jun 11, 4:30 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright45 min
Jun 11, 4:30 PM CDTSevere Thunderstorm WarningMPXRamsey45 min
Jun 11, 4:41 PM CDTTornado WarningMPXMcLeod, Meeker, Wright49 min
Jun 11, 5:10 PM CDTSevere Thunderstorm WarningMPXChisago, Washington35 min
Jun 11, 5:10 PM CDTTornado WarningMPXCarver50 min
Jun 11, 5:26 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright64 min
Jun 11, 5:43 PM CDTSevere Thunderstorm WarningMPXDakota, Scott47 min
Jun 11, 5:43 PM CDTSevere Thunderstorm WarningMPXCarver47 min
Jun 11, 5:51 PM CDTSevere Thunderstorm WarningMPXRamsey, Washington39 min
Jun 11, 6:17 PM CDTSevere Thunderstorm WarningMPXGoodhue58 min
Jun 11, 6:32 PM CDTSevere Thunderstorm WarningMPXDakota28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001Every severe thunderstorm warning in 2001

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.