Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 96, NWS Grand Forks, ND

July 16, 2001Pennington County, Red Lake County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 16, 2001, 5:13 PM CDT for Pennington County, Red Lake County, Minnesota. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2001, 5:13 PM CDT (22:13 UTC)
Expired
Jul 16, 2001, 5:45 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

Counties Pennington County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 106 km from the middle of the area, began a volume at 22:17 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 nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.2 hours before the alert went out and 215 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, International Fa, MN at 12:00Z on 2001-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 207 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, International Fa, MN at 12:00Z on 2001-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
207 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
30 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 KFGF 162213
SVRFAR

MNC113-125-162245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
513 PM CDT MON JUL 16 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EXTREME SOUTH CENTRAL PENNINGTON COUNTY IN NORTHWEST MINNESOTA AND
  RED LAKE COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 545 PM CDT.

* AT 507 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PERAULT...OR ABOUT 22 MILES SOUTH OF THIEF
  RIVER FALLS...MOVEMENT WAS TO THE NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  RED LAKE FALLS AT 520 PM CDT...
  TERREBONNE AT 525 PM CDT AND
  PLUMMER AT 535 PM CDT.

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.


$$

14

NNNN

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 Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 3:30 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 16, 3:30 PM CDT, 1 hour 43 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
330 PM CDT MON JUL 16 2001

.SHORT TERM...
LONG WV PAT FCST TO CONT WITH LONG WV RIDGE OVR THE PLNS AND TROFS
NR THE CSTS. IN THE SHORT TERM UPR AIR PAT ESSENTIALLY REMAINS
UNCHANGED WITH A TROF ON THE W CST AND A RIDGE OVR THE PLNS. KMVX
88D SHOWING PRECIP REMAINING ACRS FAR NRN COUNTIES WITH CIRC CNTR.
CNTR CONTS TO MOV NE. VIS STLT LOOP HAS CU FIELD W OF THE RED RVR
WITH A FEW SHRA OVR NW ZONES. WL INCLUDE SCT EVE SHRA OVR NRN
COUNTIES. WATER VAPOR LOOP SHOWS A WV OVR THE WRN DAKOTAS AND WL MOV
ACRS THE NRN PLNS TNGT. AN UPR LVL JET WL MOV INTO NEB OVNGT WITH
SOME COLD AIR SUPPORT ON THE N SIDE. 850 THETA-E RIDGE OVR ERN SD TO
MOV NE TNGT. MESO ANLYS HAS BEST INSTABILITIES ACRS SD AND FARTHER S
AND SO WL THE THE BEST CHC OF TSRA. HOWEVER WL PLACE LOW POPS IN SRN
COUNTIES OVNGT. ALSO WL INCUDE SOME FOG TWRD MORN WITH HI DWPNTS AND
LGT WNDS. WATER VAPOR HAS ANOTHER UPR LVL WV OVR NV. TIMING OF WVS
INTO THE NRN PLNS WL REMAIN A PROBLEM AND WL KEEP CHC TSRA IN FCST.

.EXTENDED...STATUS QUO IN THE EXTENDED FORECAST AS TROUGH TO THE
WEST AND RIDGE FROM THE CENTRAL US TO THE GREAT LAKES KEEPS THE
FORECAST AREA IN SOUTHWEST FLOW ALOFT. STILL THE GREATEST CHALLENGE
IN TIMING EMBEDDED SHORT WAVES. ALTHOUGH CAN NOT RULE OUT A CHANCE
OF SHOWERS AND THUNDERSTORMS AT ANY TIME THROUGH SUNDAY...WILL WORD
AS MAINLY LATE AFTERNOON AND NIGHT TIME THUNDER TO TRY AND GIVE THE
PERCEPTION THAT IT WILL NOT BE A  TOTAL WASHOUT. TEMPERATURES RIGHT
ABOUT NORMAL TO SLIGHTLY ABOVE THROUGH THE PERIOD.

.FGF...NONE.

HOPPES/BRAZZELL

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.