Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 122, NWS Twin Cities, MN

June 13, 2001Morrison County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 13, 2001, 10:59 PM CDT for Morrison County, Stearns County, Minnesota. It was in force for 46 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
Jun 13, 2001, 10:59 PM CDT (03:59 UTC)
Expired
Jun 13, 2001, 11:45 PM CDT
In force
46 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), 122 km from the middle of the area, began a volume at 03:58 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.

IssuedProductOfficeLasted
Jun 13, 7:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 120 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 00:00Z on 2001-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4556 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2001-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.19395878Sfc1 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
4556 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
3.1
Supercell composite
20.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 140400
SVRMSP

MNC097-145-140445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1059 PM CDT WED JUN 13 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1145 PM CDT

* AT 1059 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH        
  LARGE  HAIL AND DAMAGING WINDS NEAR ALBANY MOVING NORTHEAST AT     
  35 MPH. 

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  LITTLE FALLS.
  ALBANY.
  HOLDINGFORD.
  BOWLUS.
  ELMDALE.
  LITTLE FALLS.

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

LAT...LON 4543 9491 4543 9464 4597 9417 4600 9450

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 3:15 PM CDT, 7 hours 44 minutes earlier.

Area forecast discussion, Jun 13, 3:15 PM CDT, 7 hours 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
315 PM CDT WED JUN 13 2001

IMPRESSIVE INSTABILITY AND MOISTURE ALREADY IN PLACE ACROSS THE
AREA. SURFACE ANALYSIS SHOWS PRESSURE FALLS AND A CONVERGENCE ZONE
DEVELOPING...WHICH IS EXPECTED TO EXTEND FROM MARSHALL TO CAMBRIDGE
DURING THIS LATE AFTERNOON AND EARLY EVENING. EXPECT CONVECTION TO
FIRE ACROSS SOUTHWEST AND WEST CENTRAL MINNESOTA WITH STRONG LOW
LEVEL EQUIVALENT POTENTIAL TEMPERATURE ADVECTION. THIS CONVECTION
THEN FORECAST THEN SPREAD EAST IN FORECAST DIFLUENT THICKNESS
PATTERN. ALL THE WHILE...STRONG SOUTHERLY FLOW INTO THE REGION
SUPPORTS A POSSIBLE HEAVY RAIN SCENARIO. MAIN UPPER JET...ROUNDING
THE CLOSED LOW TO OUR WEST...IS FORECAST TO NOSE INTO THE AREA
THURSDAY AFTERNOON AND EVENING. THIS IS FORECAST TO BE ACCOMPANIED
BY 700 MB DRY SLOT AND IS EXPECTED TO BE THE MECHANISM FOR YET
ANOTHER ROUND OF POTENTIALLY SEVERE hWEATHER.

.MSP...FLASH FLOOD WATCH TONIGHT ENTIRE COUNTY WARNING AREA.
 WH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:08 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd52 min
Jun 13, 7:48 PM CDTTornado WarningMPXTodd27 min
Jun 13, 7:49 PM CDTTornado WarningMPXMorrison31 min
Jun 13, 8:03 PM CDTSevere Thunderstorm WarningMPXDouglas42 min
Jun 13, 8:16 PM CDTSevere Thunderstorm WarningMPXTodd44 min
Jun 13, 8:31 PM CDTSevere Thunderstorm WarningMPXYellow Medicine44 min
Jun 13, 8:33 PM CDTSevere Thunderstorm WarningMPXMorrison57 min
Jun 13, 8:38 PM CDTTornado WarningMPXTodd37 min
Jun 13, 9:09 PM CDTSevere Thunderstorm WarningMPXDouglas36 min
Jun 13, 9:33 PM CDTFlash Flood WarningMPXTodd3 hr
Jun 13, 9:47 PM CDTSevere Thunderstorm WarningMPXBrown, Watonwan43 min
Jun 13, 9:47 PM CDTSevere Thunderstorm WarningMPXMartin43 min
Jun 13, 10:13 PM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs47 min
Jun 13, 10:22 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet28 min
Jun 13, 10:32 PM CDTSevere Thunderstorm WarningMPXPope43 min
Jun 13, 10:38 PM CDTSevere Thunderstorm WarningMPXFaribault, Waseca37 min
Jun 13, 10:56 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott, Steele34 min
Jun 13, 11:05 PM CDTSevere Thunderstorm WarningMPXFreeborn40 min
Jun 13, 11:21 PM CDTFlash Flood WarningMPXDouglas, Mille Lacs, Morrison, Stearns4 hr
Jun 13, 11:24 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue56 min
Jun 14, 12:28 AM CDTFlash Flood WarningMPXFaribault, Freeborn3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.