Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 27, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 22, 2014, 4:44 PM EDT for Cecil County, Maryland. It was in force for 61 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, 2014, 4:44 PM EDT (20:44 UTC)
- Expired
- May 22, 2014, 5:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Cecil County, MD
The radar
The Dover AFB radar (KDOX), 99 km from the middle of the area, began a volume at 20:46 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, 5:10 PM EDT | HAIL 0.75 | Perryville, MD |
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, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.7 hours before the alert went out and 138 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
- 291 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
153
WUUS51 KPHI 222044
SVRPHI
MDC015-222145-
/O.NEW.KPHI.SV.W.0027.140522T2044Z-140522T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
444 PM EDT THU MAY 22 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CECIL COUNTY IN NORTHEAST MARYLAND...
* UNTIL 545 PM EDT
* AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THE STORM WAS NEAR WAKEFIELD...MOVING
SOUTHEAST AT 30 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CONOWINGO AND ROCK SPRINGS AROUND 450 PM EDT...
CONOWINGO AND RICHARDSMERE AROUND 455 PM EDT...
WEST NOTTINGHAM AND RISING SUN AROUND 500 PM EDT...
WOODLAWN AND FARMINGTON AROUND 505 PM EDT...
ZION AROUND 510 PM EDT...
BAY VIEW AND PLEASANT HILL AROUND 515 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SEVERE THUNDERSTORMS TODAY HAVE HAD A HISTORY OF
PRODUCING LARGE HAIL.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
THURSDAY EVENING FOR NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
SEEK SHELTER IMMEDIATELY IF THREATENING WEATHER APPROACHES.
&&
LAT...LON 3972 7599 3961 7578 3957 7578 3942 7595
3946 7601 3952 7599 3955 7603 3954 7608
3957 7610 3957 7609 3956 7608 3957 7608
3964 7616 3966 7616 3972 7623
TIME...MOT...LOC 2043Z 310DEG 24KT 3972 7621
$$
TFG2 follow-up statements
804
WWUS51 KPHI 222113
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
513 PM EDT THU MAY 22 2014
MDC015-222145-
/O.CON.KPHI.SV.W.0027.000000T0000Z-140522T2145Z/
CECIL MD-
513 PM EDT THU MAY 22 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR CENTRAL CECIL COUNTY...
AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR PERRYVILLE...OR NEAR NORTHEAST...MOVING SOUTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
HOLLYWOOD BEACH AND BRANTWOOD AROUND 525 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE
INJURY AND DAMAGE TO PROPERTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
THURSDAY EVENING FOR NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
&&
LAT...LON 3964 7596 3959 7581 3957 7578 3942 7595
3946 7601 3952 7599 3955 7603 3954 7607
3956 7610 3957 7610 3957 7609 3956 7608
3960 7610
TIME...MOT...LOC 2113Z 313DEG 27KT 3956 7599
$$
TFG486
WWUS51 KPHI 222135
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
535 PM EDT THU MAY 22 2014
MDC015-222142-
/O.CAN.KPHI.SV.W.0027.000000T0000Z-140522T2145Z/
CECIL MD-
535 PM EDT THU MAY 22 2014
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CECIL COUNTY IS
CANCELLED...
THE STORM HAS WEAKENED TO BELOW SEVERE LIMITS...THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3964 7596 3959 7581 3957 7578 3942 7595
3946 7601 3952 7599 3955 7603 3954 7607
3956 7610 3957 7610 3957 7609 3956 7608
3960 7610
TIME...MOT...LOC 2132Z 313DEG 27KT 3946 7586
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 6:08 AM EDT | Special Weather Statement | PHI | Talbot | 67 min |
| May 22, 3:49 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 56 min |
| May 22, 4:29 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 31 min |
| May 22, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 61 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2014Every severe thunderstorm warning in 2014
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.