Alert archive / Massachusetts / Tornado Warnings in 2013
Tornado Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at May 22, 2013, 5:03 PM EDT for Franklin County, Massachusetts. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 22, 2013, 5:03 PM EDT (21:03 UTC)
- Expired
- May 22, 2013, 5:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
County Franklin County, MA
The radar
The Albany radar (KENX), 107 km from the middle of the area, began a volume at 21:04 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 |
|---|---|---|---|
| May 22, 5:33 PM EDT | HAIL 1.75 | Conway, MA | GOLF BALL SIZED HAIL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 22, 12:58 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 89 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
- 132 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
379
WFUS51 KBOX 222103
TORBOX
MAC011-222145-
/O.NEW.KBOX.TO.W.0001.130522T2103Z-130522T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
503 PM EDT WED MAY 22 2013
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 545 PM EDT
* AT 500 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
NEAR PLAINFIELD...OR 14 MILES WEST OF GREENFIELD...AND WAS MOVING
EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...SHELBURNE...BUCKLAND...ASHFIELD...
HAWLEY...CONWAY...MONTAGUE...WENDELL...ERVING AND GILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! DO NOT WAIT TO SEE THE TORNADO. GO TO A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM
WINDOWS. IF IN A VEHICLE...A MOBILE HOME OR OUTDOORS...GET TO THE
CLOSEST SHELTER. PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4258 7294 4269 7239 4245 7237 4249 7288
4254 7288 4255 7294
TIME...MOT...LOC 2103Z 262DEG 25KT 4253 7288
$$
JWD4 follow-up statements
619
WWUS51 KBOX 222110
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
510 PM EDT WED MAY 22 2013
MAC011-222145-
/O.CON.KBOX.TO.W.0001.000000T0000Z-130522T2145Z/
FRANKLIN MA-
510 PM EDT WED MAY 22 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
FRANKLIN COUNTY...
AT 509 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
ASHFIELD...OR 11 MILES WEST OF GREENFIELD...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...SHELBURNE...BUCKLAND...ASHFIELD...HAWLEY...
CONWAY...MONTAGUE...WENDELL...ERVING AND GILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4258 7294 4269 7239 4245 7237 4249 7288
4254 7288 4255 7294
TIME...MOT...LOC 2109Z 262DEG 25KT 4254 7281
$$
JWD765
WWUS51 KBOX 222122
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
522 PM EDT WED MAY 22 2013
MAC011-222145-
/O.CON.KBOX.TO.W.0001.000000T0000Z-130522T2145Z/
FRANKLIN MA-
522 PM EDT WED MAY 22 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
FRANKLIN COUNTY...
AT 518 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
CONWAY...OR 7 MILES SOUTHWEST OF GREENFIELD...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...SHELBURNE...ASHFIELD...CONWAY...MONTAGUE...
WENDELL AND ERVING.
AS OF 520 PM...THERE HAS BEEN NO CONFIRMATION OF A TORNADO.
HOWEVER...A TORNADO MAY TOUCH DOWN AT ANY TIME!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4256 7282 4258 7282 4266 7239 4245 7237
4251 7283 4254 7283
TIME...MOT...LOC 2118Z 263DEG 25KT 4253 7272
$$
JWD053
WWUS51 KBOX 222126
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
526 PM EDT WED MAY 22 2013
MAC011-222145-
/O.CON.KBOX.TO.W.0001.000000T0000Z-130522T2145Z/
FRANKLIN MA-
526 PM EDT WED MAY 22 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
FRANKLIN COUNTY...
AT 522 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
CONWAY...OR 5 MILES SOUTHWEST OF GREENFIELD...MOVING EAST AT 30 MPH.
AT 525 PM...A SPOTTER IN GREENFIELD REPORTED A ROTATING WALL CLOUD
TO THE SOUTHWEST...AND PEA SIZED HAIL.
THERE HAS NOT BEEN CONFIRMATION OF A TORNADO...BUT A TORNADO COULD
TOUCH DOWN AT ANY TIME!
LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...SHELBURNE...CONWAY...MONTAGUE...WENDELL AND
ERVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4255 7277 4257 7277 4266 7239 4245 7237
4251 7277 4253 7278
TIME...MOT...LOC 2122Z 262DEG 24KT 4253 7267
$$
JWD481
WWUS51 KBOX 222134
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
534 PM EDT WED MAY 22 2013
MAC011-222145-
/O.CON.KBOX.TO.W.0001.000000T0000Z-130522T2145Z/
FRANKLIN MA-
534 PM EDT WED MAY 22 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
FRANKLIN COUNTY...
AT 531 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
NEAR CONWAY AND SUNDERLAND...OR 6 MILES SOUTH OF GREENFIELD...MOVING
EAST AT 25 MPH.
SPOTTERS IN HAWLEY AND GREENFIELD REPORTED SEEING A ROTATING WALL
CLOUD WITH THIS STORM.
THERE HAS NOT BEEN CONFIRMATION OF A TORNADO AS OF 530 PM...BUT A
TORNADO MAY TOUCH DOWN AT ANY TIME!
LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...SUNDERLAND...CONWAY...MONTAGUE...WENDELL AND
ERVING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4256 7272 4266 7239 4245 7237 4247 7271
4251 7272
TIME...MOT...LOC 2131Z 276DEG 20KT 4249 7263
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:57 PM EDT | Special Marine Warning | BOX | 63 min | |
| May 21, 9:00 PM EDT | Special Weather Statement | BOX | Hampshire | 45 min |
| May 21, 10:51 PM EDT | Special Weather Statement | BOX | Franklin, Hampshire | 39 min |
| May 21, 11:46 PM EDT | Special Weather Statement | BOX | Hampden, Hampshire, Worcester | 44 min |
| May 22, 12:18 AM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire | 117 min |
| May 22, 4:25 AM EDT | Small Craft Advisory | BOX | 5 days | |
| May 22, 3:36 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 84 min |
| May 22, 4:35 PM EDT | Special Weather Statement | BOX | Franklin | 40 min |
| May 22, 4:55 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 65 min |
| May 22, 5:40 PM EDT | Tornado Warning | BOX | Franklin | 50 min |
| May 22, 5:59 PM EDT | Tornado Warning | BOX | Franklin, Worcester | 46 min |
| May 22, 6:30 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 45 min |
Nearby
Tornado Warnings in Massachusetts, 2013Every tornado warning in 2013Tornadoes in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.