Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 47, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 18, 2001, 5:47 AM CDT for Pine County, Minnesota. It was in force for 28 min. 2 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
- Jun 18, 2001, 5:47 AM CDT (10:47 UTC)
- Expired
- Jun 18, 2001, 6:15 AM CDT
- In force
- 28 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
County Pine County, MN
The radar
The Duluth radar (KDLH), 89 km from the middle of the area, began a volume at 10:48 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 5:50 AM CDT | Hail 1.75 | Pine City, MN | |
| Jun 18, 5:55 AM CDT | Hail 0.75 | Rock Creek, MN |
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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.8 hours before the alert went out and 156 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
- 38 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1536 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 4:30 AM CDT, 1 hour 17 minutes earlier.
Area forecast discussion, Jun 18, 4:30 AM CDT, 1 hour 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 430 AM CDT MON JUN 18 2001 AT THIS TIME...A LONG CHAIN OF SEVERE THUNDERSTORMS CONTINUES TO TRAIN ALONG THE SOUTHERN BORDER AND IMMEDIATELY SOUTH OF OUR FORECAST AREA. WE DON/T EXPECT THIS COAL TRAIN TO EDGE NORTH. A STRONG CLUSTER OF THUNDERSTORMS OVER EASTERN SD AND ANOTHER SERIOUS CLUSTER OVER SOUTHERN WI SHOULD CUT OFF ENERGY TO THE SYSTEM NEAR US IN A FEW HOURS. TODAY...OVERRUNNING RAIN AND HIGH BASE THUNDERSTORMS WILL SPREAD ACROSS THE AREA AS A DEEP LOW OVER WESTERN MN MOVES NORTH-NORTHEAST TOWARD WESTERN ONTARIO. LOW STABILITIES MOVE IN TO AREAS SOUTH AND SOUTHWEST OF DULUTH...SO AREAS TO OUR SOUTH WILL HAVE TO BE WATCHED ALL DAY. A NORTH-SOUTH TEMPERATURE GRADIENT EXISTS WEST OF DULUTH AS WE WENT WITH MAV TEMPS SOUTH OF DULUTH AND A LITTLE BELOW THEM TO THE NORH. A THIRD AREA...ALONG THE NORTH SHORE...WILL NOT WARM UP AT ALL...AS AN ONSHORE FLOW INCREASES. TONIGHT...A STRONG COLD FRONT ENDS RAIN THIS EVENING...WITH RAPID DRYING AFTERWARD. TUESDAY...DRYING WILL RESULT IN SOME SUNSHINE. WE WENT JUST BELOW MAV TEMPERATURES DUE TO CLOUDS FROM A STEEPENING LAPSE RATE AS COLD ADVECTION ALOFT PROCEEDS. VORTICIES REMAIN HIGH TO SUPPORT THIS. WITH A STRONG OFFSHORE FLOW...A CLEAR...VERY WARM DAY WILL RESULT ALONG THE IMMEDIATE NORTH SHORE...WITH THE HIGHER TEMPERATURES ACROSS MN OCCURRING ALONG THE WATER EDGE. .DLH...NONE. EOM
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 3:42 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 33 min |
| Jun 18, 4:16 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 59 min |
| Jun 18, 5:25 AM CDT | Severe Thunderstorm Warning | DLH | Washburn | 65 min |
| Jun 18, 6:05 AM CDT | Severe Thunderstorm Warning | DLH | Burnett | 25 min |
| Jun 18, 7:21 AM CDT | Severe Thunderstorm Warning | DLH | Sawyer | 54 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.