Alert archive / Minnesota / Tornado Warnings in 1999
Tornado Warning 14, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 9, 1999, 4:05 PM CDT for Otter Tail County, Minnesota. It was in force for 35 min. 1 report 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
- Jun 9, 1999, 4:05 PM CDT (21:05 UTC)
- Expired
- Jun 9, 1999, 4:40 PM CDT
- In force
- 35 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 175 km from the middle of the area, began a volume at 21:09 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 9, 4:17 PM CDT | Tornado F0 | Dalton, MN | A touchdown occurred at South Ten Mile Lake, causing minor damage. A 16 foot boat and trailer were flipped over, shingles were stripped off roofs, and a grain bin was moved off its foundation. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 9, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 239 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.
- Mixed-layer CAPE
- 99 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 092105 TORFAR MNC111-092140- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 405 PM CDT WED JUN 9 1999 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 440 PM CDT * AT 404 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 8 MILES SOUTHEAST OF FERGUS FALLS... MOVING NORTHEAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... AMOR AT 424 PM CDT OTTERTAIL AT 435 PM CDT IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT. GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE. GUST
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Jun 9, 2:30 PM CDT, 1 hour 35 minutes earlier.
Area forecast discussion, Jun 9, 2:30 PM CDT, 1 hour 35 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 230 PM CDT WED JUN 09 1999 MAIN FCST CHALLENGE...CONVECTION POSSIBILITIES EARLY THIS EVENING. .SHORT TERM.... SFC LOW LOCATED NR THE ND/MN/SD BORDER WITH WARM FRONT EAST TO NR A DTL-PKD LINE. MAIN BOUNDARY FOR INTIAL SVR CONVECTION HAS MOVED EAST AND WAS LOCATED FROM SOUTH OF AXN INTO NW IA. MAIN FRONT LOCATED FURTHER WEST IN ERN SD. ATMOS IN FAR SE CWFA...FFM AREA...VERY UNSTABLE WITH MODIFIED CAPES BASED ON CURRENT T/TD AT FFM ABV 4000. ADAP SHOWS LI -10 AND NO CAP. WITH FRONT STILL NOT THROUGH THINK ISOLD SVR PSBL THIS EVENING AND WILL CARRY PSBL SVR IN ZONES FOR PKD-DTL SOUTH. OTHERWISE...COLD FRONT/TROUGH EXTENDS NORTH FROM SFC LOW INTO FAR NW MN AND THIS IS SLOWLY MOVING EAST. 88D SHOWS NUMEROUS SHOWERS AHEAD OF 70H TROF IN ERN ND AND EXPECT THESE TO SLOWLY MOVE EAST AND END EARLY THIS EVENING IN ND AND BY MIDNIGHT IN NW MN. WILL LEAVE DVL ZONE DRY TONIGHT AS BIS 88D SHOWS PCPN SHOULD BE EAST OF AREA SHORTLY. .LONGER TERM... WILL USE ETA/AVN THIS FCST PACKAGE. 50H VORT MAX MOVES ENE THRU ND INTO MB TONIGHT...BRINGING IN DRIER AIR FROM WEST TO EAST OVERNIGHT CLEARING SKIES. WILL NOTICE LOWER DEW PTS ON THURSDAYS AS HIGH PRESSURE MOVES INTO WRN ND. A FEW CU ON THURSDAY....O/W MSTLY SUNNY. FWC/FAN MOS IN CLOSE AGREEMENT WITH MOSTLY MID 70S TO AROUND 80. NEXT 50H SYSTEM TO TRAVEL SOUTH OF CWFA...WITH SFC LOW DEVELOPMENT IN KS ON FRIDAY. HOWEVER...70H LOW FURTHER NORTH IN SD...SO DO EXPECT AN INCREASE IN MID LEVEL MOISTURE ON FRIDAY SPLY SOUTH CWFA. SHOULD BE DRY THRU FRIDAY AFTERNOON WITH PCPN REMAINING TO OUR SOUTH. .EXTENDED...LONG RANGE MODELS SIMILAR AND CONSISTENT IN BRUSHING CWFA WITH POSSIBLE PCPN ON FRIDAY NIGHT AS SHORTWAVE MOVES THROUGH. SHORTWAVE PULLS FAR ENOUGH EAST BY SAT MORNING THAT NO PCPN EXPECTED FOR SAT. WITH 500 MB RIDGE BUILDING OVER ROCKIES AND SFC HIGH PRESSURE OVER CWFA...NO PCPN EXPECTED FOR SUN AND MON. WILL NEED TO WATCH APPROACHING SHORTWAVE FOR MONDAY NIGHT AS COULD PROVIDE ENOUGH LIFT TO GET PCPN GOING. HOWEVER...WILL NOT MENTION IN EXTENDED AT THIS TIME. TEMPS REMAIN FAIRLY CONS"ISTENT THROUGH THE EXTENDED -- HOLDING RIGHT AROUND NORMAL. .FGF...NONE. RIDDLE/NG
In the hours before
Special weather statement, Jun 9, 11:15 AM CDT, 4 hours 50 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-092000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1115 AM CDT WED JUN 9 1999 ...SEVERE THUNDERSTORMS POSSIBLE IN PORTIONS OF WEST CENTRAL MINNESOTA THIS AFTERNOON AND EARLY EVENING... SYNOPSIS...LOW PRESSURE WILL MOVE FROM NEAR WAHPETON TO BEMIDJI BY LATE TODAY. A COLD FRONT WILL MOVE EAST THROUGH WEST CENTRAL MINNESOTA. THUNDERSTORMS WILL FORM ALONG THIS FRONT THIS AFTERNOON...A FEW OF WHICH MAY BE SEVERE. HEAVY RAIN IS ALSO A THREAT. AREA OF CONCERN...PORTIONS OF MINNESOTA...SOUTH OF A PARK RAPIDS TO DETROIT LAKES TO MOORHEAD LINE. THIS INCLUDES FERGUS FALLS...ELBOW LAKE...AND WADENA. TIME...2 PM TO 8 PM. TYPE OF HAZARD...MAIN HAZARD SHOULD PRIMARILY BE LARGE HAIL... DAMAGING WINDS AND HEAVY RAIN. RIDDLE
Local storm report, Jun 9, 11:58 AM CDT, 4 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1158 AM CDT WED JUN 09 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0400 AM HOPE ND .75 INCH HAIL
06/09/99 STEELE
0438 AM GRAND FORKS ND WIND DAMAGE
06/09/99 GRAND FORKS TREE DAMAGE REPORTED
THROUGHOUT THE CITY
0445 AM 2 NE SHERACK MN WIND DAMAGE
06/09/99 POLK WINDOWS BLOWN OUT OF A
HOUSE AND HAYSHED
DESTROYED
0445 AM 5 SE ALVARADO MN WIND DAMAGE
06/09/99 POLK TREE DAMAGE
0448 AM SHERACK MN WIND DAMAGE
06/09/99 POLK GRAIN BIN DESTROYED
0500 AM 3 W REYNOLDS ND WIND DAMAGE
06/09/99 TRAILL TREE DAMAGE
0530 AM LANCASTER MN WIND DAMAGE
06/09/99 KITTSON LARGE TREE DAMAGE REPORTED
IN LANCASTER
0545 AM STRANDQUIST MN WIND DAMAGE
06/09/99 MARSHALL REPORTS OF TREES DOWN
0550 AM GREENBUSH MN WIND DAMAGE
06/09/99 ROSEAU TREE DAMAGE IN GREENBUSHThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:15 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 30 min |
| Jun 9, 4:48 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 32 min |
| Jun 9, 4:49 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 36 min |
| Jun 9, 5:04 AM CDT | Severe Thunderstorm Warning | FGF | Kittson | 36 min |
| Jun 9, 5:20 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 35 min |
| Jun 9, 5:37 AM CDT | Severe Thunderstorm Warning | FGF | Kittson | 33 min |
| Jun 9, 5:42 AM CDT | Severe Thunderstorm Warning | FGF | Roseau | 33 min |
| Jun 9, 3:03 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 32 min |
| Jun 9, 3:31 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 29 min |
| Jun 9, 3:59 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen | 31 min |
| Jun 9, 4:43 PM CDT | Severe Thunderstorm Warning | FGF | Polk, Red Lake | 32 min |
| Jun 9, 4:54 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen | 36 min |
| Jun 9, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 32 min |
| Jun 9, 5:28 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 32 min |
| Jun 9, 5:33 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 32 min |
| Jun 9, 5:59 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 31 min |
| Jun 9, 6:29 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 31 min |
Nearby
Tornado Warnings in Minnesota, 1999Every tornado warning in 1999Tornadoes in 1999
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.