Alert archive / Massachusetts / Tornado Warnings in 2019
Tornado Warning 6, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Jul 23, 2019, 11:39 AM EDT for Barnstable County, Massachusetts. It was in force for 36 min. 19 reports 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
- Jul 23, 2019, 11:39 AM EDT (15:39 UTC)
- Expired
- Jul 23, 2019, 12:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Barnstable County, MA
The radar
The Boston radar (KBOX), 82 km from the middle of the area, began a volume at 15:40 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 23, 11:40 AM EDT | TSTM WND DMG | Mashpee, MA | MULTIPLE TREES DOWN ACROSS TOWN. |
| Jul 23, 11:40 AM EDT | TSTM WND DMG | Mashpee, MA | MULTIPLE TREES DOWN ACROS TOWN |
| Jul 23, 11:40 AM EDT | TSTM WND DMG | Mashpee, MA | TREE DOWN ACROSS DRIVEWAY ON ALMA ROAD. TREE AND WIRES DOWN ON CAR IN DRIVEWAY ON CORDWOOD ROAD. TREE ACROSS THE ROAD ON HUNT CIRCLE. |
| Jul 23, 11:48 AM EDT | TSTM WND DMG | Barnstable, MA | TREE DOWN ON WIRES ON BARNSTABLE ROAD. LARGE BRANCH DOWN IN FRONT OF THE SIMMONS HOMESTEAD ON PITCHERS WAY BLOCKING ONE LANE. WIRES DOWN ON SCUDDER AVENUE. TREE DOWN BLOCKING ROAD ON OCEAN STREET. |
| Jul 23, 11:57 AM EDT | TORNADO | West Yarmouth, MA | WATERSPOUT MOVED ONSHORE JUST WEST OF KALMUS IN SOUTHEAST BARNSTABLE. 91 MPH GUST WAS RECORDED. EF1 TORNADO WITH MAX WINDS OF 110 MPH MOVED NE ACROSS YARMOUTH AND LIFTED IN SOUTH YARMOUTH. DAMAGE WAS DISCONTINUOUS. NUMEROUS TREES UPROOTED OR SNAPPED. ROOF OF M |
| Jul 23, 12:00 PM EDT | TSTM WND DMG | West Yarmouth, MA | ROOF BLOWN OFF A SECTION OF CAPE SANDS INN. |
| Jul 23, 12:00 PM EDT | TORNADO | West Yarmouth, MA | A BRIEF, NARROW TORNADO TOUCHED DOWN IN WEST YARMOUTH AT THE SAME TIME AS ANOTHER TORNADO WAS ON THE GROUND JUST TO ITS NORTH. THIS TORNADO WAS ONLY 50 YARDS WIDE AND ONE-QUARTER MILE IN LENGTH. IT STRETCHED FROM YACHT AVE. AND SCHOONER ST. TO EGG HARBOR RD. J |
| Jul 23, 12:00 PM EDT | TORNADO | West Yarmouth, MA | CONFIRMED TORNADO BY NWS SURVEY TEAM. DAMAGE FROM THE TORNADO BEGAN IN YARMOUTH AND ENDED IN HARWICH. THE DAMAGE WAS CAUSED BY BOTH A TORNADO AND STRAIGHT LINE WIND DAMAGE WITH THE STRONGEST WIND ESTIMATED TO BE 110MPH, AN EF1. THE GREATEST AMOUNT OF DAMAGE AP |
| Jul 23, 12:01 PM EDT | TSTM WND DMG | Hyannis, MA | TREE DOWN ON GOSNOLD STREET AT OLD COLONY ROAD. |
| Jul 23, 12:04 PM EDT | TSTM WND DMG | Yarmouth, MA | TREE DOWN ON A CAR. WIRES DOWN. |
| Jul 23, 12:04 PM EDT | TSTM WND GST 66 | Chapin, MA | |
| Jul 23, 12:05 PM EDT | TSTM WND DMG | Osterville, MA | TREE DOWN ON WIRES ON SCUDDER ROAD. SEVERAL LARGE TREES AND MANY LARGE BRANCHES DOWN ON WIANNO AVENUE. 2 SMALL BOATS FLIPPED OVER IN WEST BAY. |
| Jul 23, 12:06 PM EDT | TSTM WND DMG | Dennis, MA | MULTIPLE TREES DOWN ON LONG POND ROAD. |
| Jul 23, 12:06 PM EDT | TSTM WND DMG | Dennis, MA | TREES AND WIRES DOWN ON LORING AVENUE. WIRES DOWN ON CORPORATION ROAD. TREE, WIRES AND UTILITY POLE DOWN ON PLEASANT STREET. WIRES DOWN ON CAR ON DEPOT STREET AT VESTER DRIVE. POWER LINES DOWN ON OLD WHARF ROAD. TREES DOWN ON SUNSET DRIVE. |
| Jul 23, 12:10 PM EDT | TSTM WND DMG | Yarmouth, MA | TREE AND WIRES DOWN ON ROUTE 28 AT POND STREET, ROUTE 28 AT GENEVA STREET, SHARON WAY, UNCLE EPHRIAMS WAY, PINE STREET, HIGHLAND AVENUE, KELLY ROAD AND STARBOARD RUN. |
| Jul 23, 12:10 PM EDT | TORNADO | Harwich, MA | SAME CELL THAT PRODUCED THE BARNSTABLE-YARMOUTH TORNADO CAUSED ANOTHER TORNADO IN HARWICH THAT WAS ON THE GROUND FROM 1210 PM TO 1215 PM. EF1 RANKING WITH MAX WIND GUSTS OF 110 MPH. STARTED JUST SOUTH OF PARALLEL ST., MOVED NORTHEAST ACROSS HARWICH CENTER, THE |
| Jul 23, 12:10 PM EDT | TORNADO | West Yarmouth, MA | ROOF BLOWN OFF A SECTION OF THE CAPE SANDS INN. CONFIRMED TORNADO BY RADAR (TORNADO DEBRIS SIGNATURE). NWS SURVEY TEAM IS EN ROUTE TO ASSESS DAMAGE. |
| Jul 23, 12:15 PM EDT | TSTM WND DMG | Harwich, MA | TREES, UTILITY POLES AND WIRES DOWN ON SOUTH STREET AT SISSON ROAD. WIRES DOWN ON ROUTE 137 AT ROUTE 39. TREE DOWN ON ROUTE 39. |
| Jul 23, 12:24 PM EDT | TSTM WND DMG | Harwich, MA | SEVERAL DOZEN TREES DOWN ON ROUTE 28. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 3.7 hours before the alert went out and 22 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
- 15 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
564
WFUS51 KBOX 231539
TORBOX
MAC001-231615-
/O.NEW.KBOX.TO.W.0006.190723T1539Z-190723T1615Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
1139 AM EDT Tue Jul 23 2019
The National Weather Service in Boston/Norton has issued a
* Tornado Warning for...
Southern Barnstable County in southeastern Massachusetts...
* Until 1215 PM EDT.
* At 1138 AM EDT, a severe thunderstorm capable of producing a
tornado was located over Mashpee, or 7 miles southwest of
Barnstable, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Yarmouth around 1200 PM EDT.
Dennis around 1205 PM EDT.
Brewster and Harwich around 1215 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Hyannis.
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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4164 7000 4166 7001 4164 7017 4160 7025
4162 7029 4159 7042 4154 7047 4154 7048
4164 7054 4174 7030 4173 7027 4177 7013
4165 6998
TIME...MOT...LOC 1538Z 244DEG 29KT 4159 7045
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
KJC2 follow-up statements
323
WWUS51 KBOX 231558
SVSBOX
Severe Weather Statement
National Weather Service Boston/Norton MA
1158 AM EDT Tue Jul 23 2019
MAC001-231615-
/O.CON.KBOX.TO.W.0006.000000T0000Z-190723T1615Z/
Barnstable MA-
1158 AM EDT Tue Jul 23 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT FOR
SOUTHEASTERN BARNSTABLE COUNTY...
At 1157 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Yarmouth, or near Barnstable, moving northeast at 35
mph.
Wind gusts to 70 mph have been observed.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Dennis around 1205 PM EDT.
Harwich around 1210 PM EDT.
Brewster around 1215 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Hyannis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4164 6999 4166 7001 4164 7017 4160 7025
4162 7029 4162 7031 4173 7030 4173 7027
4177 7013 4165 6998
TIME...MOT...LOC 1557Z 244DEG 29KT 4166 7026
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
KJC965
WWUS51 KBOX 231603
SVSBOX
Severe Weather Statement
National Weather Service Boston/Norton MA
1203 PM EDT Tue Jul 23 2019
MAC001-231615-
/O.CON.KBOX.TO.W.0006.000000T0000Z-190723T1615Z/
Barnstable MA-
1203 PM EDT Tue Jul 23 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT FOR
SOUTHEASTERN BARNSTABLE COUNTY...
At 1202 PM EDT, a confirmed tornado was located over Yarmouth, or 8
miles east of Barnstable, moving northeast at 35 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Harwich around 1210 PM EDT.
Brewster around 1215 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Hyannis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4164 6999 4166 7001 4164 7017 4160 7025
4162 7029 4162 7031 4173 7030 4173 7027
4177 7013 4165 6998
TIME...MOT...LOC 1602Z 244DEG 29KT 4168 7020
TORNADO...OBSERVED
HAIL...0.00IN
$$
KJCThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:09 PM EDT | Special Marine Warning | BOX | 96 min | |
| Jul 22, 8:31 PM EDT | Areal Flood Warning | BOX | Bristol, Plymouth | 2 hr |
| Jul 22, 8:40 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 65 min |
| Jul 22, 9:03 PM EDT | Areal Flood Warning | BOX | Bristol, Plymouth | 91 min |
| Jul 22, 9:12 PM EDT | Special Marine Warning | BOX | 63 min | |
| Jul 22, 9:33 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Dukes, Plymouth | 35 min |
| Jul 22, 9:36 PM EDT | Special Marine Warning | BOX | 54 min | |
| Jul 22, 9:55 PM EDT | Tornado Warning | BOX | Barnstable | 24 min |
| Jul 22, 10:17 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable | 26 min |
| Jul 22, 10:21 PM EDT | Tornado Warning | BOX | Barnstable | 12 min |
| Jul 22, 10:23 PM EDT | Special Marine Warning | BOX | 52 min | |
| Jul 23, 3:27 AM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 10 hr |
| Jul 23, 5:06 AM EDT | Special Marine Warning | BOX | 24 min | |
| Jul 23, 5:59 AM EDT | Special Marine Warning | BOX | 46 min | |
| Jul 23, 6:29 AM EDT | Special Marine Warning | BOX | 30 min | |
| Jul 23, 9:45 AM EDT | Special Marine Warning | BOX | 60 min | |
| Jul 23, 10:00 AM EDT | Special Marine Warning | BOX | 45 min | |
| Jul 23, 10:39 AM EDT | Special Marine Warning | BOX | 51 min | |
| Jul 23, 10:45 AM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes | 45 min |
| Jul 23, 11:13 AM EDT | Tornado Warning | BOX | Barnstable, Dukes | 32 min |
| Jul 23, 11:26 AM EDT | Special Marine Warning | BOX | 34 min | |
| Jul 23, 11:44 AM EDT | Special Marine Warning | BOX | 31 min | |
| Jul 23, 12:12 PM EDT | Tornado Warning | BOX | Barnstable | 21 min |
| Jul 23, 12:16 PM EDT | Special Marine Warning | BOX | 29 min | |
| Jul 23, 12:43 PM EDT | Special Marine Warning | BOX | 32 min |
Nearby
Tornado Warnings in Massachusetts, 2019Every tornado warning in 2019Tornadoes in 2019
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.