Alert archive / Massachusetts / Tornado Warnings in 2019

Tornado Warning 2, NWS Boston/Norton, MA

April 26, 2019Hampden County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Apr 26, 2019, 2:49 PM EDT for Hampden County, Worcester County, Massachusetts. It was in force for 26 min. 5 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: Apr 26, 2019, 2:49 PM EDT (18:49 UTC)
Expired: Apr 26, 2019, 3:15 PM EDT
In force: 26 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hampden County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 88 km from the middle of the area, began a volume at 18:50 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
Apr 26, 3:03 PM EDT	HAIL 1.5	Brimfield, MA
Apr 26, 3:04 PM EDT	HAIL 1	Brimfield, MA
Apr 26, 3:05 PM EDT	HAIL 0.75	Wales, MA
Apr 26, 3:12 PM EDT	HAIL 1.75	Warren, MA
Apr 26, 3:17 PM EDT	HAIL 1	West Brookfield, MA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.8 hours before the alert went out and 148 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 351 m²/s²
0-3 km storm-relative helicity: 371 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

163 
WFUS51 KBOX 261849
TORBOX
MAC013-027-261915-
/O.NEW.KBOX.TO.W.0002.190426T1849Z-190426T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
249 PM EDT FRI APR 26 2019

The National Weather Service in Boston/Norton has issued a

* Tornado Warning for...
  Southwestern Worcester County in central Massachusetts...
  Southeastern Hampden County in western Massachusetts...

* Until 315 PM EDT.
    
* At 249 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Holland, or 17 miles east of Springfield, 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...
  Brimfield around 300 PM EDT.
  Sturbridge and Warren around 310 PM EDT.
  North Brookfield, West Brookfield, Brookfield, East Brookfield and 
  New Braintree around 315 PM EDT.

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 4230 7218 4226 7199 4203 7213 4203 7230
TIME...MOT...LOC 1849Z 203DEG 32KT 4205 7221 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Belk

2 follow-up statements

111 
WWUS51 KBOX 261902
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
302 PM EDT FRI APR 26 2019

MAC013-027-261915-
/O.CON.KBOX.TO.W.0002.000000T0000Z-190426T1915Z/
Worcester MA-Hampden MA-
302 PM EDT FRI APR 26 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
SOUTHWESTERN WORCESTER AND SOUTHEASTERN HAMPDEN COUNTIES...
    
At 302 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Warren, or 18 miles east of Springfield, moving
north at 40 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...
  North Brookfield, West Brookfield, East Brookfield and New 
  Braintree around 315 PM EDT.

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 4230 7218 4226 7199 4203 7213 4203 7230
TIME...MOT...LOC 1902Z 196DEG 33KT 4217 7218 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Belk

029 
WWUS51 KBOX 261916
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
316 PM EDT FRI APR 26 2019

MAC013-027-261925-
/O.EXP.KBOX.TO.W.0002.000000T0000Z-190426T1915Z/
Worcester MA-Hampden MA-
316 PM EDT FRI APR 26 2019

...THE TORNADO WARNING FOR SOUTHWESTERN WORCESTER AND SOUTHEASTERN
HAMPDEN COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

As of 315 PM, there has been no confirmation of a tornado in 
Worcester or Hampden Counties.

&&

LAT...LON 4230 7218 4226 7199 4203 7213 4203 7230
TIME...MOT...LOC 1915Z 203DEG 32KT 4209 7216 

$$

JWD

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 4:01 AM EDT	Gale Watch	BOX		12 hr
Apr 26, 8:17 AM EDT	Special Marine Warning	BOX		43 min
Apr 26, 8:57 AM EDT	Special Marine Warning	BOX		48 min
Apr 26, 9:43 AM EDT	Special Marine Warning	BOX		47 min
Apr 26, 10:18 AM EDT	Special Marine Warning	BOX		57 min
Apr 26, 2:06 PM EDT	Special Weather Statement	BOX	Barnstable	39 min
Apr 26, 3:02 PM EDT	Special Weather Statement	BOX	Hampden	28 min
Apr 26, 3:14 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire, Worcester	31 min
Apr 26, 3:39 PM EDT	Special Weather Statement	BOX	Worcester	36 min
Apr 26, 4:11 PM EDT	Gale Warning	BOX		27 hr
Apr 26, 4:11 PM EDT	Small Craft Advisory	BOX		44 hr

Nearby

Tornado Warnings in Massachusetts, 2019 Every tornado warning in 2019 Tornadoes 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.