Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 31, 2002, 4:06 PM EDT for Hillsborough County, New Hampshire. It was in force for 39 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
- May 31, 2002, 4:06 PM EDT (20:06 UTC)
- Expired
- May 31, 2002, 4:45 PM EDT
- In force
- 39 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Hillsborough County, NH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 4:50 PM EDT | Thunderstorm Wind 50 E | Manchester, 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 |
|---|---|---|---|
| May 31, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 8.1 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
- 23 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 883 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
997 WUUS51 KBOX 312006 SVRBOX NHC011-312045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 406 PM EDT FRI MAY 31 2002 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE * UNTIL 445 PM EDT. * AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 14 MILES NORTH OF HILLSBOROUGH TO 21 MILES WEST OF PETERBOROUGHE...MOVING EAST AT 20 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... WINDSOR AND HILLSBOROUGH AROUND 420 PM EDT BENNINGTON AROUND 435 PM EDT WEARE AROUND 440 PM EDT PETERBOROUGH AND FRANCESTOWN AROUND 445 PM EDT. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WIND STRONG ENOUGH TO KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY EVENING FOR NORTHERN CONNECTICUT AND SOUTHEASTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND. $$ GAF/AED
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 3:28 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 47 min |
| May 31, 4:19 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 26 min |
| May 31, 4:48 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 27 min |
| May 31, 5:10 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 50 min |
| May 31, 6:12 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 48 min |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 2002Every severe thunderstorm warning in 2002
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.