Alert archive / New Hampshire / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 81, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 25, 1998, 5:00 PM EDT for Hillsborough County, New Hampshire. It was in force for 30 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
- Aug 25, 1998, 5:00 PM EDT (21:00 UTC)
- Expired
- Aug 25, 1998, 5:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Hillsborough County, NH
The radar
The Boston radar (KBOX), 117 km from the middle of the area, began a volume at 21:03 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 |
|---|---|---|---|
| Aug 25, 5:11 PM EDT | Thunderstorm Wind 50 | Weare, 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 nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 9.0 hours before the alert went out and 160 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1531 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
568
WUUS1 KBOS 252101 RRA
SVRBOS
NHC011-252130-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
500 PM EDT TUE AUG 25 1998
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN HILLSBOROUGH COUNTY IN NEW HAMPSHIRE
* UNTIL 530 PM EDT
* AT 453 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF HILLSBOROUGH...OR ABOUT 20
MILES NORTH OF JAFFREY...MOVING EAST AT 30 MILES PER HOUR.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WEARE AT 505 PM EDT
10 MILES EAST OF WEARE AT 525 PM EDT
SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WINDS STRONG ENOUGH TO
KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM
WINDOWS.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
Special weather statement, Aug 25, 2:00 PM EDT, 3 hours before
MAZ007-015-016-019>024-RIZ002-004>007-ANZ230>235-237-250-261200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 2 PM EDT TUE AUG 25 1998 ...PEOPLE IN SOUTHEASTERN NEW ENGLAND SHOULD MONITOR LATER ADVISORIES ON HURRICANE BONNIE... EARLY INDICATIONS SUGGEST THAT HURRICANE BONNIE MAY MAKE A CLOSE APPROACH TO SOUTHEAST NEW ENGLAND WITH THE CENTER PASSING JUST SOUTH AND EAST OF NANTUCKET THURSDAY. RESIDENTS AND VISITORS ALONG THE MASSACHUSETTS AND RHODE ISLAND COASTS...BUT ESPECIALLY OVER CAPE COD...NANTUCKET AND MARTHAS VINEYARD SHOULD BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD A HURRICANE WATCH NEED TO BE ISSUED. A HEAVY SURF ADVISORY REMAINS IN EFFECT FOR THE MASSACHUSETTS AND RHODE ISLAND COASTS. EXPOSED SOUTH COASTAL BEACHES WILL BE ESPECIALLY VULNERABLE TO LARGE BREAKERS AND DANGEROUS RIP CURRENTS. DO NOT STAND TOO NEAR HEAVY BREAKING SURF AS LARGER WAVES CAN SNEAK UP SUDDENLY. MARINERS SHOULD NOT VENTURE FAR FROM PORT. MARINERS SHOULD ALSO HAVE A PLAN READY TO SECURE MOORINGS OR TAKE OTHER PROTECTIVE ACTION FOR THEIR BOATS SHOULD A HURRICANE WATCH BE ISSUED. THIS IS ESPECIALLY TRUE FOR BOATS ALONG CAPE COD...NANTUCKET AND MARTHAS VINEYARD. ALTHOUGH THERE IS UNCERTAINTY IN THE TRACK AND TIMING OF HURRICANE BONNIE...THERE IS AN INCREASING RISK THAT BONNIE WILL PASS CLOSE ENOUGH TO PRODUCE WINDS OF AT LEAST TROPICAL STORM FORCE AND RAINFALL IN EXCESS OF 4 INCHES OVER CAPE COD AND THE ISLANDS. THE GREATEST IMPACT FROM BONNIE WILL LIKELY BE LATE WEDNESDAY NIGHT AND THURSDAY. TROPICAL STORM FORCE GUSTS MAY REACH AS FAR NORTH AND WEST AS THE BOSTON AND PROVIDENCE METRO AREAS. MARINERS AND OTHERS ALONG THE MASSACHUSETTS AND RHODE ISLAND COASTS SHOULD CLOSELY MONITOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. STAY AWAY FROM BREAKING SURF TO AVOID RISKING YOUR LIFE OR THAT OF A POTENTIAL RESCUER. THOMPSON
Special weather statement, Aug 25, 2:00 PM EDT, 3 hours before
MAZ007-015-016-019>024-RIZ002-004>007-ANZ230>235-237-250-261200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 2 PM EDT TUE AUG 25 1998 ...PEOPLE IN SOUTHEASTERN NEW ENGLAND SHOULD MONITOR LATER ADVISORIES ON HURRICANE BONNIE... EARLY INDICATIONS SUGGEST THAT HURRICANE BONNIE MAY MAKE A CLOSE APPROACH TO SOUTHEAST NEW ENGLAND WITH THE CENTER PASSING JUST SOUTH AND EAST OF NANTUCKET THURSDAY. RESIDENTS AND VISITORS ALONG THE MASSACHUSETTS AND RHODE ISLAND COASTS...BUT ESPECIALLY OVER CAPE COD...NANTUCKET AND MARTHAS VINEYARD SHOULD BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD A HURRICANE WATCH NEED TO BE ISSUED. A HEAVY SURF ADVISORY REMAINS IN EFFECT FOR THE MASSACHUSETTS AND RHODE ISLAND COASTS. EXPOSED SOUTH COASTAL BEACHES WILL BE ESPECIALLY VULNERABLE TO LARGE BREAKERS AND DANGEROUS RIP CURRENTS. DO NOT STAND TOO NEAR HEAVY BREAKING SURF AS LARGER WAVES CAN SNEAK UP SUDDENLY. MARINERS SHOULD NOT VENTURE FAR FROM PORT. MARINERS SHOULD ALSO HAVE A PLAN READY TO SECURE MOORINGS OR TAKE OTHER PROTECTIVE ACTION FOR THEIR BOATS SHOULD A HURRICANE WATCH BE ISSUED. THIS IS ESPECIALLY TRUE FOR BOATS ALONG CAPE COD...NANTUCKET AND MARTHAS VINEYARD. ALTHOUGH THERE IS UNCERTAINTY IN THE TRACK AND TIMING OF HURRICANE BONNIE...THERE IS AN INCREASING RISK THAT BONNIE WILL PASS CLOSE ENOUGH TO PRODUCE WINDS OF AT LEAST TROPICAL STORM FORCE AND RAINFALL IN EXCESS OF 4 INCHES OVER CAPE COD AND THE ISLANDS. THE GREATEST IMPACT FROM BONNIE WILL LIKELY BE LATE WEDNESDAY NIGHT AND THURSDAY. TROPICAL STORM FORCE GUSTS MAY REACH AS FAR NORTH AND WEST AS THE BOSTON AND PROVIDENCE METRO AREAS. MARINERS AND OTHERS ALONG THE MASSACHUSETTS AND RHODE ISLAND COASTS SHOULD CLOSELY MONITOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. STAY AWAY FROM BREAKING SURF TO AVOID RISKING YOUR LIFE OR THAT OF A POTENTIAL RESCUER. THOMPSON
Nearby
Severe Thunderstorm Warnings in New Hampshire, 1998Every severe thunderstorm warning in 1998
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.