Alert archive / New Jersey / Areal Flood Warnings in 2021

Areal Flood Warning 37, NWS Philadelphia/Mount Holly

September 2, 20214 counties in New Jersey; Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood warning at Sep 2, 2021, 12:01 AM EDT for 4 counties in New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 40 hr. 6 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: Sep 2, 2021, 12:01 AM EDT (04:01 UTC)
Expired: Sep 3, 2021, 4:00 PM EDT
In force: 40 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 04:03 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
Sep 2, 12:30 AM EDT	FLOOD	Blairstown Twp, NJ	THE GAUGE ON PAULINS KILL AT BLAIRSTOWN (BLRN4) REACHED FLOOD STAGE AT 1230 AM 9/2, CRESTING AT 7.02 FEET (MINOR FLOODING) AT 1115 AM 9/2.
Sep 2, 4:53 AM EDT	HEAVY RAIN 5.7	Washington, NJ
Sep 2, 5:21 AM EDT	HEAVY RAIN 4.69	4 Wsw Wantage Twp, NJ	25 HOURS TOTAL.
Sep 2, 6:15 AM EDT	FLOOD	1 Ne Flatbrookville, NJ	THE GAUGE AT FLAT BROOK ABOVE FLATBROOKVILLE (FLAN4) REACHED FLOOD STAGE AT 615 AM 9/2, CRESTING AT 7.75 FEET (MODERATE FLOODING) AT 1145 AM 9/2.
Sep 2, 6:55 AM EDT	FLOOD	1 Sse Hackettstown, NJ	THE MUSCONETCONG RIVER IS OUT OF ITS BANKS AND FLOODING EAST AVENUE IN HACKETTSTOWN.
Sep 2, 9:00 AM EDT	FLOOD	2 Wsw Andover, NJ	THE GAUGE ON THE PEQUEST RIVER AT HUNTSVILLE (HUNN4) REACHED FLOOD STAGE AT 900 AM 9/2, CRESTING AT 4.68 FEET (MINOR FLOODING) AT 730 PM 9/2.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 4.0 hours before the alert went out and 166 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: 123 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 512 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 279 m²/s²
0-3 km storm-relative helicity: 456 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

225 
WGUS41 KPHI 020401
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1201 AM EDT Thu Sep 2 2021

NJC019-027-037-041-PAC089-095-021500-
/O.NEW.KPHI.FA.W.0037.210902T0401Z-210902T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-Morris NJ-Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
1201 AM EDT Thu Sep 2 2021

The National Weather Service in Mount Holly has issued a

* Flood Warning for...
  Northwestern Morris County in northern New Jersey...
  Northern Hunterdon County in northwestern New Jersey...
  Sussex County in northwestern New Jersey...
  Warren County in northwestern New Jersey...
  Northeastern Northampton County in eastern Pennsylvania...
  Southeastern Monroe County in northeastern Pennsylvania...

* Until 1100 AM EDT Thursday.

* At 1201 AM EDT, local law enforcement reported widespread flooding 
  in the warned area. Several roads are closed, and rivers and 
  streams continue to rise. Flooding is expected to continue for the 
  next several hours.

* Some locations that may experience flooding include...
  Newton, Montague, Hopatcong, East Stroudsburg, Hackettstown, 
  Washington, Blairstown, Bangor, Mount Arlington, Franklin, 
  Stanhope, and Pen Argyl.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4083 7543 4114 7492 4118 7488 4128 7484
      4135 7475 4136 7469 4120 7437 4109 7450
      4108 7449 4103 7450 4075 7485 4076 7512

$$

CMS

8 follow-up statements

572 
WGUS41 KPHI 021450
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1050 AM EDT Thu Sep 2 2021

NJC019-027-037-041-PAC089-095-022100-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210902T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-Morris NJ-Sussex NJ-Warren NJ-Monroe PA-Northampton PA-
1050 AM EDT Thu Sep 2 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Northwestern Morris County in northern New Jersey...
  Northern Hunterdon County in northwestern New Jersey...
  Sussex County in northwestern New Jersey...
  Warren County in northwestern New Jersey...
  Northeastern Northampton County in eastern Pennsylvania...
  Southeastern Monroe County in northeastern Pennsylvania...

* Until 500 PM EDT Thursday.

* At 1050 AM EDT, local law enforcement reported flooding in the 
  warned area. Flooding is already occurring.

* For Beaver Brook at Belvidere:
  At 10:30am the stage was 3.8 feet.
  Flood Stage is 4.5 feet.
  ...
  For Paulins Kill at Blairstown:
  At 10:45am the stage was 6.96 feet.
  Flood Stage is 5 feet.
  ...
  For Delaware River at Belvidere:
  At 10:30am the stage was 16.33 feet.
  Flood Stage is 22 feet.
  ...
  For Flat Brook at Flatbrookville:
  At 10:30am the stage was 7.67 feet.
  Flood Stage is 6 feet.
  ...
  For Pequest River at Huntsville:
  At 10:30am the stage was 4.16 feet.
  Flood Stage is 4 feet.
  ...
  For Musconetcong River at Lake Hopatcong:
  At 10:30am the stage was 3.57 feet.
  Flood Stage is 4 feet.
  ...
  For Brodhead Creek at Minisink Hills:
  At 10:16am the stage was 8.57 feet.
  Flood Stage is 10 feet.
  ...
  For Pequannock River at Oak Ridge:
  At 10:15am the stage was 7.41 feet.
  Flood Stage is 10.5 feet.
  ...
  For Pequest River at Pequest:
  At 10:15am the stage was 4.71 feet.
  Flood Stage is 6 feet.
  ...
  For Delaware River at Tocks Island:
  At 10:15am the stage was 19.82 feet.
  Flood Stage is 21 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4083 7543 4114 7492 4118 7488 4128 7484
      4135 7475 4136 7469 4120 7437 4109 7450
      4108 7449 4103 7450 4075 7485 4076 7512

$$

Kruzdlo

418 
WGUS81 KPHI 022051
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
451 PM EDT Thu Sep 2 2021

NJC019-027-PAC089-095-022101-
/O.CAN.KPHI.FA.W.0037.000000T0000Z-210902T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-Morris NJ-Monroe PA-Northampton PA-
451 PM EDT Thu Sep 2 2021

...FLOOD WARNING IS CANCELLED FOR NORTHWESTERN MORRIS, NORTHERN 
HUNTERDON, NORTHEASTERN NORTHAMPTON, AND SOUTHEASTERN MONROE 
COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

NJC037-041-022100-
/O.CON.KPHI.FA.W.0037.000000T0000Z-210902T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
451 PM EDT Thu Sep 2 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON FOR 
SOUTHWESTERN SUSSEX AND NORTHEASTERN WARREN COUNTIES...

At 451 PM EDT, USGS gauges reported ongoing flooding across the 
warned area.

For Paulins Kill at Blairstown:
At 4:30pm the stage was 6.64 feet.
Flood Stage is 5 feet.

For Flat Brook at Flatbrookville:
At 4:30pm the stage was 7.14 feet.
Flood Stage is 6 feet.

For Pequest River at Huntsville:
At 4:30pm the stage was 4.62 feet.
Flood Stage is 4 feet.

For Delaware River at Tocks Island:
At 4:30pm the stage was 20.26 feet.
Flood Stage is 21 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Kruzdlo

527 
WGUS41 KPHI 022053
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
453 PM EDT Thu Sep 2 2021

NJC037-041-030300-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210903T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
453 PM EDT Thu Sep 2 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...

* Until 1100 PM EDT Thursday.

* At 453 PM EDT, USGS gauges reported flooding in the warned area. 
  Flooding is already occurring.

* For Paulins Kill at Blairstown:
  At 4:30pm the stage was 6.64 feet.
  Flood Stage is 5 feet.
  ...
  For Flat Brook at Flatbrookville:
  At 4:45pm the stage was 7.09 feet.
  Flood Stage is 6 feet.
  ...
  For Pequest River at Huntsville:
  At 4:45pm the stage was 4.62 feet.
  Flood Stage is 4 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Kruzdlo

547 
WGUS41 KPHI 030236
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1036 PM EDT Thu Sep 2 2021

NJC037-041-030500-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210903T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
1036 PM EDT Thu Sep 2 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...

* Until 100 AM EDT.

* At 1036 PM EDT, USGS gauge reports indicated flooding in the 
  warned area. Flooding is already occurring.

* For Paulins Kill at Blairstown:
  At 10:15pm the stage was 6.07 feet.
  Flood Stage is 5 feet.
  ...
  For Pequest River at Huntsville:
  At 10:15pm the stage was 4.67 feet.
  Flood Stage is 4 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Meola

392 
WGUS41 KPHI 030427
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1227 AM EDT Fri Sep 3 2021

NJC037-041-031000-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210903T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
1227 AM EDT Fri Sep 3 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...

* Until 600 AM EDT.

* At 1227 AM EDT, USGS gauge reports indicated flooding is already 
  occurring.

* For Paulins Kill at Blairstown:
  At 12:15am the stage was 5.91 feet.
  Flood Stage is 5 feet.
  ...
  For Pequest River at Huntsville:
  At 12:15am the stage was 4.63 feet.
  Flood Stage is 4 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Meola

759 
WGUS41 KPHI 030917
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
517 AM EDT Fri Sep 3 2021

NJC037-041-031600-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210903T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
517 AM EDT Fri Sep 3 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...

* Until noon EDT Friday.

* At 517 AM EDT, gauge reports indicated flooding is already 
  occurring.

* For Paulins Kill at Blairstown:
  At 5:00am the stage was 5.58 feet.
  Flood Stage is 5 feet.
  ...
  For Pequest River at Huntsville:
  At 5:00am the stage was 4.45 feet.
  Flood Stage is 4 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Meola

858 
WGUS41 KPHI 031500
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1100 AM EDT Fri Sep 3 2021

NJC037-041-032000-
/O.EXT.KPHI.FA.W.0037.000000T0000Z-210903T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
1100 AM EDT Fri Sep 3 2021

The National Weather Service in Mount Holly has extended the

* Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...

* Until 400 PM EDT.

* At 1100 AM EDT, gauge reports indicated flooding was ongoing 
  across portions of the warned area.

* For Paulins Kill at Blairstown:
  At 10:45am the stage was 5.23 feet.
  Flood Stage is 5 feet.
  ...
  For Pequest River at Huntsville:
  At 10:45am the stage was 4.16 feet.
  Flood Stage is 4 feet.
  ...
  For Flat Brook at Flatbrookville:
  At 10:00am the stage was 4.17 feet.
  Flood Stage is 6 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Kruzdlo

324 
WGUS81 KPHI 031958
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
358 PM EDT Fri Sep 3 2021

NJC037-041-032008-
/O.EXP.KPHI.FA.W.0037.000000T0000Z-210903T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-
358 PM EDT Fri Sep 3 2021

...FLOOD WARNING WILL EXPIRE AT 4 PM EDT THIS AFTERNOON FOR 
SOUTHWESTERN SUSSEX AND NORTHEASTERN WARREN COUNTIES...

Flood waters are receding. The flood warning has been cancelled.

LAT...LON 4104 7503 4108 7499 4108 7498 4108 7497
      4109 7497 4110 7497 4113 7493 4111 7490
      4106 7482 4104 7473 4100 7474 4096 7475
      4093 7476 4093 7479 4093 7493

$$

Kruzdlo

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 1, 8:02 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	PHI	Middlesex, Morris, Somerset	5 hr
Sep 1, 9:01 PM EDT	Flash Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	5 hr
Sep 1, 9:43 PM EDT	River Flood Warning	PHI	Mercer	33 hr
Sep 1, 10:05 PM EDT	Flash Flood Warning Considerable damage threat	PHI	Morris, Somerset	4 hr
Sep 1, 10:23 PM EDT	Coastal Flood Statement	PHI	Ocean	13 hr
Sep 1, 10:24 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester	4 hr
Sep 1, 10:29 PM EDT	River Flood Warning	PHI	Hunterdon, Mercer	49 hr
Sep 1, 10:32 PM EDT	River Flood Warning	PHI	Mercer	31 hr
Sep 1, 10:35 PM EDT	River Flood Warning	PHI	Bergen, Morris, Passaic	30 hr
Sep 1, 10:37 PM EDT	River Flood Warning	PHI	Morris, Passaic	41 hr
Sep 1, 10:38 PM EDT	River Flood Warning	PHI	Morris, Somerset	21 days
Sep 1, 10:47 PM EDT	Areal Flood Warning	PHI	Warren	23 hr
Sep 1, 10:52 PM EDT	Areal Flood Warning	PHI	Hunterdon, Warren	12 hr
Sep 2, 12:28 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester	3 hr
Sep 2, 12:31 AM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	2 hr
Sep 2, 1:38 AM EDT	Areal Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	4 hr
Sep 2, 1:52 AM EDT	Areal Flood Warning	PHI	Morris, Somerset	13 hr
Sep 2, 2:23 AM EDT	Areal Flood Warning	PHI	Burlington, Camden, Gloucester, Salem	9 hr
Sep 2, 2:29 AM EDT	Areal Flood Warning	PHI	Burlington, Camden, Gloucester	5 hr
Sep 2, 3:52 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Morris, Somerset, Warren	8 hr
Sep 2, 3:53 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	8 hr
Sep 2, 4:00 AM EDT	River Flood Warning	PHI	Morris	48 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Hunterdon, Mercer	37 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Hunterdon, Warren	37 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Hunterdon	37 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Hunterdon	33 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Hunterdon, Mercer	34 hr
Sep 2, 4:45 AM EDT	River Flood Warning	PHI	Sussex, Warren	5 hr
Sep 2, 6:05 AM EDT	Coastal Flood Warning	PHI	Burlington, Camden, Gloucester, Mercer	6 hr
Sep 2, 1:20 PM EDT	Areal Flood Warning	PHI	Middlesex	21 hr
Sep 2, 6:44 PM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester	7 hr
Sep 1, 8:29 PM EDT	River Flood Warning	PHI	Lehigh	10 hr
Sep 1, 9:47 PM EDT	River Flood Warning	PHI	Berks	18 hr
Sep 1, 10:42 PM EDT	Areal Flood Warning	PHI	Berks, Bucks, Montgomery	12 hr
Sep 1, 11:38 PM EDT	Areal Flood Warning	PHI	Berks, Chester, Delaware, Montgomery	10 hr
Sep 2, 2:41 AM EDT	Areal Flood Warning	PHI	Bucks	14 hr
Sep 2, 5:02 AM EDT	River Flood Warning	PHI	Lehigh	11 hr

Nearby

Areal Flood Warnings in New Jersey, 2021 Areal Flood Warnings in Pennsylvania, 2021 Every areal flood warning in 2021

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.