Alert archive / New Hampshire / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 36, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1997, 2:10 PM EDT for Cheshire County, New Hampshire. It was in force for 65 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
- Jul 7, 1997, 2:10 PM EDT (18:10 UTC)
- Expired
- Jul 7, 1997, 3:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Cheshire County, NH
The radar
The Boston radar (KBOX), 141 km from the middle of the area, began a volume at 18:13 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 |
|---|---|---|---|
| Jul 7, 2:30 PM EDT | Hail 0.75 | Rindge, NH | |
| Jul 7, 3:15 PM EDT | Hail 1 | Winchester, NH |
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 |
|---|---|---|---|
| Jul 7, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.2 hours before the alert went out and 131 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
- 67 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1519 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 54 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 KBOS 071810 RRA SVRBOS NHC005-071915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 210 PM EDT MON JUL 7 1997 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST NEW HAMPSHIRE ...CHESHIRE COUNTY AT 210 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN WINCHESTER. IT IS MOVING EAST NORTHEAST AND WILL AFFECT MUCH OF SOUTHERN CHESHIRE COUNTY FROM WINCEHSTER EAST TO JAFFREY DURING THE NEXT HOUR. ANOTHER THUNDERSTORM WAS LOCATED JUST NORTHWEST OF KEENE AND IT TOO MAY BECOME SEVERE AS IT MOVES NORTHEAST THROUGH CHESHIRE COUNTY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. EVT/DRV
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.
In the hours before
Local storm report, Jul 7, 12:36 PM EDT, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1236 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 HAIL
07/07/97 HAMPSHIRE
JLLocal storm report, Jul 7, 12:37 PM EDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1236 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 HAIL
07/07/97 HAMPSHIRE
JLLocal storm report, Jul 7, 12:52 PM EDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1252 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA 0.75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
JLLocal storm report, Jul 7, 12:53 PM EDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1252 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA 0.75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
JLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:30 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 45 min |
| Jul 7, 4:32 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 43 min |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 1997Every severe thunderstorm warning in 1997
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.