Alert archive / Minnesota / Tornado Warnings in 1999
Tornado Warning 41, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 28, 1999, 9:15 PM CDT for Hubbard County, Minnesota. It was in force for 35 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 28, 1999, 9:15 PM CDT (02:15 UTC)
- Expired
- Jul 28, 1999, 9:50 PM CDT
- In force
- 35 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Hubbard County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 187 km from the middle of the area, began a volume at 02:18 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 00:00Z, 2.3 hours before the alert went out and 202 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
- 769 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1900 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 290215 RRA TORFAR MNC057-290250- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 915 PM CDT WED JUL 28 1999 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA * UNTIL 950 PM CDT * AT 914 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 7 MILES SOUTH OF BEMIDJI OR 6 MILES NORTHWEST OF GUTHRIE... MOVING SOU THEAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... KABEKONA AT 923 PM CDT GUTHRIE AT 925 PM CDT THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF A TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. GRIFFIS/BERG
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 Jul 28, 8:40 PM CDT, 35 minutes earlier.
Area forecast discussion, Jul 28, 8:40 PM CDT, 35 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 840 PM CDT WED JUL 28 1999 WILL KEEP DISCUSSION BRIEF DUE TO ISOLATED SEVERE STORMS POPPING WELL EAST OF THE VALLEY THIS EVENING NEAR BEMIDJI. LATEST REAL TIME OBSERVATIONS ALONG WITH 00Z RUC SUGGESTS ONLY MINOR REVISIONS TO INHERITED ZONE PACKAGE EXPECTED ONCE THUNDER DIMINSHES AFTER DARK. .FGF...NONE. BERG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 32 min |
| Jul 28, 8:35 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 35 min |
| Jul 28, 9:06 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.