Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 188, NWS Twin Cities, MN

July 27, 2002Benton County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 27, 2002, 12:46 PM CDT for Benton County, Stearns County, Minnesota. It was in force for 44 min. 6 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
Jul 27, 2002, 12:46 PM CDT (17:46 UTC)
Expired
Jul 27, 2002, 1:30 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Benton County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 104 km from the middle of the area, began a volume at 17:48 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
Jul 27, 12:50 PM CDTThunderstorm Wind 60 ESartell, MNNumerous trees down, including some that were 15 inches in diameter. Several trees were toppled across County Road 2 and at the intersection of County roads 2 and 4. Some trees fell onto sheds.
Jul 27, 12:53 PM CDTHail 0.75Rice, MN
Jul 27, 12:53 PM CDTThunderstorm Wind 55 ERice, MNScattered trees down.
Jul 27, 1:07 PM CDTThunderstorm Wind 63 MGilman, MNNumerous trees down. Outbuildings down.
Jul 27, 1:10 PM CDTHail 1Gilman, MN
Jul 27, 1:10 PM CDTThunderstorm Wind 75 EFoley, MNRoof off house. House was also moved 5 feet off its foundation. Trees down. Sheds and pole barns down.

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
Jul 27, 12:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.8 hours before the alert went out and 102 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 2002-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 485 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2002-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
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.

530 
WUUS53 KMPX 271746
SVRMSP
MNC009-145-271830-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1244 PM CDT SAT JUL 27 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 130 PM CDT

* AT 1244 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE 
  EXTENDING FROM 5 MILES WEST OF RICE TO 11 MILES WEST OF LAKE       
  HENRY...OR ALONG A LINE EXTENDING FROM 15 MILES SOUTH OF LITTLE    
  FALLS TO 21 MILES NORTH OF WILLMAR...MOVING EAST AT 30 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ALBANY.
  FOLEY.
  SAUK RAPIDS.
  ST CLOUD.
  SARTELL.
  GILMAN.
  COLD SPRING.

LARGE HAIL TO THE SIZE OF QUARTERS AND DAMAGING WINDS TO 65 MPH ARE 
LIKELY WITH THIS STORM. TAKE COVER IN A STURDY BUILDING AND STAY 
AWAY FROM WINDOWS.

$$

BINAU

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 10:15 AM CDTSevere Thunderstorm WarningMPXStevens30 min
Jul 27, 11:20 AM CDTSevere Thunderstorm WarningMPXPope40 min
Jul 27, 12:02 PM CDTSevere Thunderstorm WarningMPXPope, Stearns43 min
Jul 27, 12:25 PM CDTSevere Thunderstorm WarningMPXMorrison50 min
Jul 27, 12:56 PM CDTSevere Thunderstorm WarningMPXKandiyohi49 min
Jul 27, 1:10 PM CDTSevere Thunderstorm WarningMPXMille Lacs50 min
Jul 27, 1:15 PM CDTSevere Thunderstorm WarningMPXMorrison30 min
Jul 27, 1:30 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec45 min
Jul 27, 1:35 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns40 min
Jul 27, 1:45 PM CDTSevere Thunderstorm WarningMPXKandiyohi45 min
Jul 27, 1:58 PM CDTSevere Thunderstorm WarningMPXWright47 min
Jul 27, 2:03 PM CDTSevere Thunderstorm WarningMPXChisago42 min
Jul 27, 2:17 PM CDTSevere Thunderstorm WarningMPXMeeker43 min
Jul 27, 3:40 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright50 min
Jul 27, 4:22 PM CDTSevere Thunderstorm WarningMPXRamsey, Washington38 min
Jul 27, 6:33 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2002Every 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.