Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 23, 1986, 5:00 PM EDT for Hampden County, Massachusetts. It was in force for 60 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 23, 1986, 5:00 PM EDT (21:00 UTC)
- Expired
- May 23, 1986, 6:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Hampden County, MA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 5:20 PM EDT | Hail 0.75 | Hampden, MA |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 9.0 hours before the alert went out and 116 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
- 867 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBDL 232100 SVRBDL MAC013-232200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WINDSOR LOCKS CT 500 PM EDT FRI MAY 23 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF MASSACHUSETTS...HAMPDEN AT 530PM, A SEVERE THUNDERSTORM WAS A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR HAMPDEN COUNTY IN MASSACHUSETpTE VALID UNTIL 6 PM EDT. A LARGE SLOW MOVING THUNDERSTORM WITH THREE-QUARTER INCH HAIL HAS BEEN REPORTED IN THIS AREA.
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, May 23, 3:06 PM EDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 3 PM EDT FRI MAY 23 1986 ...STRONG THUNDERSTORMS MOVING ACROSS NORTHEASTERN CONNECTICUT... AT 3 PM RADAR INDICATED A STRONG THUNDERSTORM IN NORTHEAST CONNECTICUT. A PUBLIC REPORT OF SOME DIME SIZED HAIL WAS RECIEVED. THE THUNDERSTORM WAS MOVING SLOWLY TOWARD THE NORTHEAST. BRIEF HEAVY DOWNPOURS AND STRONG GUSTY WINDS MAY ACCOMPANY THIS THUNDERSTORM ACTIVITY. IF THREAT ENING WEATHER IS SIGHTED BE PREPARED TO MOVE TO SAFE SHELTER. CANNON
Special weather statement, May 23, 3:19 PM EDT, 1 hour 41 minutes before
^BOSSPSPVD SPECIAL WEATHER STATEMENT FOR RHODE ISLAND NATIONAL WEATHER SERVICE PROVIDENCE RI 300 PM EDT FRI 23 MAY 1986 ...THUNDERSTORMS WERE RUMBLING OVER WESTERN RHODE ISLAND AND EASTERN CONNECTICUTT... AT 3 PM THIS AFTERNOON THE CHATHAM NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE AREA WHICH CONTAINED A FEW VERY HEAVY THUNDERSTORMS OVER WEST RHODE ISLAND AND EAST CONNECTICUTT. THE HEAVIEST STORM WAS LOCATED ABOUT 15 MILES NORTHWEST OF PROVIDENCE. SMALL HAIL HAS BEEN REPORTED WITH THE STORMS IN CONNECTICUTT. STRONG GUSTY WIND AND HEAVY DOWNPOURS ALONG WITH FREQUENT LIGHTNING MAY BE EXPECTED. THESE STORMS WERE MOVING SLOWLY NORTH AT 10 TO 15 MPH. AT THIS SPEED UNDERPASSES AND LOW) SPOTS ARE PRONE TO FLOODING. DRIVERS SHOULD BE ALERT FOR MINOR FLOODING..THE AFTERNOON COMMUTE WILL MAKE DRIVING CONDITIONS WORSE YET. FOR THOSE OUT IN THE OPEN..IF THREATENING WEATHER APPROACHES GET TO A PLACE OF SAFETY. JWH
Special weather statement, May 23, 3:53 PM EDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 4 PM EDT FRI MAY 23 1986 ...SLOW MOVING HEAVY THUNDERSTORMS CONTINUING OVER NORTHEASTERN CONNECTICUT. A 4 PM RADAR INDICATED A LARGE THUNDERTORM NEARLY STATIONARY OVER NORTHEASTERN CONNECTICUT. SEVERAL REPORTS OF HAIL AND HEAVY DOWNPOURS OF RAIN HAVE BEEN RECIEVED FROM THE PUBLIC AS WELL AS THE CONNECTICUT STATE POLICE. RESIDENTS OF NORTHEAST CONNECTICUT SHOULD CONTINUE TO BE ALERT FOR THE POSSIBILITY OF STRONG GUSTY WINDS...HAIL AND DANGEROUS LIGHTNING. SOME LOCAL FLOODING OF ROADWAYS AND LOW SPOTS IS ALSO POSSIBLE. BE PREPARED TO MOVE TO SAFE SHELTER SHOULD THREATENING WEATHER BE SIGHTED CANNON @
Special weather statement, May 23, 4:43 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 440 PM EDT FRI MAY 23 1986 ...SLOW MOVING HEAVY THUNDERSTORMS OVER NORTHERN CONNECTICUT AND THE SPRINGFIELD AREA. A 430 PM EDT SEVERAL LARGE SLOW MOVING THUNDERSTORMS WERE LOCATED ACROSS NORTHERN AND EASTERN CONNECTICUT AND THE SPRINGFIELD AREA OF MASSACHUSETTS. MOVEMENT WAS NORTHEAST AT AROUND 15 MPH. HAIL WAS REPORTED IN EASTERN WINDHAM COUNTY IN CONNECTICUT AND IN THE SPRINGFIELD AREA. RESIDENTS SHOULD CONTINUE TO BE ALERT FOR OCCASIONAL HEAVY DOWNPOURS... THE POSSIBILITY OF STRONG GUSTY WINDS...HAIL AND DANGEROUS LIGHTNING. SOME LOCAL FLOODING OF ROADWAYS AND LOW SPOTS IS POSSIBLE. FURTHER STATEMENTS WILL BE ISSUED [IF NEEDED. DIORIO
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1986Every severe thunderstorm warning in 1986
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.